Reykjavik interaction charts - read only, nothing dispenses from Laugavegur
Caelum Chart Lab

Interaction charts on this desk are for reading, not for writing a prescription or filling a bottle. Open the orbit disclaimer

Trace · Trace · Wake

After Modalert, the generic strip still fails steroidal contraceptives

Last reviewed · 13 min read · Updated

The blister is the contract

If the new pack says modafinil and the same milligram you were prescribed, CYP3A4 induction and the one-month contraceptive tail remain. People treat a generic as 'weaker' and drop backup. That is how unplanned pregnancies get a wake-drug footnote.

This site's public Modalert lock is 200 mg; the parent modafinil lock is 100 mg. A swap that silently jumps 100 to 200 is a dose change. Ask.

Dye and shape changes cause adherence drops. Photograph the INN line the day of the swap.

Sleepiness week three is a clock, not a brand ghost

People feel a 'new generic' failed when they also slid the swallow later. Check the roster page.

True product quality problems exist. Bring the pack. Do not add a second brand on top.

Cyclosporine patients should tell transplant clinic about any manufacturer change if troughs are twitchy.

Do not celebrate a cheaper box

We will not quote prices. A lower copay is not a reason to drop the backup method.

If you truly stopped the INN, the month-after clock starts from the last swallow.

See wake orbit and brand orbit.

Parent: modafinil orbit.

Write date of swap, manufacturer, mg, lot, contraceptive method, other 3A4 drugs.

[email protected] for sources. 112 for severe rash or chest pain.

After the logo falls off, induction stays

If the new pack says modafinil and the same milligram, CYP3A4 induction and the one-month contraceptive tail remain. People drop backup because generic feels weaker. That is how unplanned pregnancies get a wake-drug footnote.

A silent jump from 100 mg to 200 mg is a dose change. Photograph the INN line the day of the swap. A pale tablet can still be 200 mg. Read the number.

If you stopped Modalert and started generic the same night, you did not stop modafinil. The month-after clock does not start. If you truly stopped the INN, the clock starts from the last swallow.

If the substitute is armodafinil, return it. Different enantiomer. This site locks armodafinil at 50 mg. Both still talk to contraceptives. The dose is still wrong.

Export packs that omit mg in English are a refuse-and-identify problem. Absence of a leaflet is not absence of induction. Ask for counseling text.

Sleepiness week three is often a clock, not a brand ghost. Check the roster page. True quality problems exist. Bring the pack. Do not add a second brand on top.

Cyclosporine patients should tell transplant clinic about manufacturer changes if troughs are twitchy. Do not change cyclosporine because a tablet looks paler.

Generic plus morning zopiclone is the same stack as branded. Alcohol after a night shift is the same bad idea. Serious rash is still urgent.

We will not quote prices. A lower copay is not a reason to drop backup.

Brand talk: brand orbit. Enzymes: wake orbit. Parent: modafinil orbit.

Write date of swap, manufacturer, mg, lot, contraceptive method, other 3A4 drugs.

[email protected] for sources. 112 for severe rash or chest pain.

Armodafinil in the bag is not a generic

If the substitute is armodafinil, that is not a generic for Modalert.

Different enantiomer, different mg ladder. This site locks armodafinil at 50 mg.

Send it back to the counter. Do not try it for a week.

Both still talk to contraceptives. The dose is still wrong.

What to write in the notebook

Date of swap, manufacturer, mg, lot, contraceptive method, other 3A4 drugs.

If sleepiness or palpitations changed in the same week, write that too.

Clinic moves faster with a photo than with 'it looks different.'

Same hypnotic rules

Generic modafinil plus a morning zopiclone is the same stack as branded.

Alcohol after a night shift is the same bad idea.

Serious rash is still urgent.

Color is not milligrams

A pale tablet can still be 200 mg. A scored 100 mg can look 'small' and get doubled. Read the number.

If the pharmacy substituted 200 mg scored 'take half,' confirm that is what the prescriber wanted.

Export packs that omit mg in English are a refuse-and-identify problem.

Wrong INN in the bag

If the substitute is armodafinil, that is not a generic for Modalert. Different enantiomer, different mg ladder (50 mg lock here).

Send it back to the counter. Do not 'try it for a week.'

Both still talk to contraceptives. The dose is still wrong.

Sleepiness week three is often a clock

People feel a new generic failed when they also slid the swallow later. Check the roster page.

True quality problems exist. Bring the pack. Do not add a second brand on top.

Cyclosporine patients should tell transplant clinic about manufacturer changes if troughs are twitchy.

Do not change cyclosporine yourself because a tablet looks paler.

Generic plus morning zopiclone is the same stack as branded. Alcohol after a night shift is the same bad idea.

Serious rash is still urgent. Absence of a leaflet is not absence of induction.

Color is not milligrams

A pale tablet can still be 200 mg. A scored 100 mg can look small and get doubled. Read the number.

If the pharmacy substituted 200 mg scored take half, confirm that is what the prescriber wanted.

Export packs that omit mg in English are a refuse-and-identify problem.

Dye and shape changes cause adherence drops.

Do not celebrate a cheaper box by dropping condoms

We will not quote prices. We will say: a lower copay is not a reason to drop the backup method.

If you stopped Modalert and started generic the same night, you did not 'stop modafinil.' The month-after clock does not start.

If you truly stopped the INN, the month-after clock starts from the last swallow. See wake orbit.

Absence of paper is not absence of induction

Ask for counseling text. Read the enzyme page.

A cheaper box is not a reason to drop the backup method. We will not quote prices.

If you stopped Modalert and started generic the same night, you did not stop modafinil. The month-after clock does not start.

If you truly stopped the INN, the month-after clock starts from the last swallow.

The blister is the contract

If the new pack says modafinil and the same milligram, CYP3A4 induction and the one-month contraceptive tail remain.

People drop backup because generic feels weaker. That is how unplanned pregnancies get a wake-drug footnote.

A silent jump from 100 mg to 200 mg is a dose change. Ask. Photograph the INN line the day of the swap.

A pale tablet can still be 200 mg. Read the number. Export packs that omit mg in English are a refuse problem.

If the substitute is armodafinil, return it. Different INN and a different milligram ladder.

If you stopped Modalert and started generic the same night, you did not stop modafinil. The month-after clock does not start.

Swap scrap after the logo leaves

INN photo, mg, lot, leftover branded foils removed, contraceptive plan. If INN and mg match, pairing rules match. If mg drifted, stop and call.

Do not drop backup for a month to test the generic. You never left modafinil. Testing pregnancy risk is not bioequivalence.

Do not add leftover Modalert at lunch because day-four generic feels weak. That is stacking. Check swallow time and rest-day rules first.

Armodafinil 50 in the bag is a return, not a try it week. Different INN and a different ladder.

Manufacturer change plus twitchy cyclosporine is a question for transplant, not a home trough adjustment. No leaflet means ask for counseling text, not assume induction vanished.

Brand: brand orbit. Enzymes: wake orbit. Parent: modafinil orbit.

Manufacturer change and twitchy cyclosporine

Cyclosporine patients should tell transplant clinic about any manufacturer change if troughs are twitchy.

Do not change cyclosporine yourself because a tablet looks paler.

Sleepiness week three is often a clock, not a brand ghost. Check the roster page.

True product quality problems exist. Bring the pack. Do not add a second brand on top.

After the Modalert logo leaves the bag

If INN and milligrams match, pairing rules match. If milligrams drifted, stop and call. Do not treat a weaker-feeling day four as permission to add leftover branded 200 mg at lunch.

Do not drop backup contraception for a month to test the generic. You never left modafinil. Pregnancy risk is not a bioequivalence experiment.

Armodafinil 50 in the same bag is a return, not a try-it week. Different INN, different ladder, still an inducer.

A manufacturer change plus twitchy cyclosporine is a transplant question. No counseling leaflet is a reason to ask, not a reason to assume induction vanished.

What to bring if day four feels thin

Bring the INN photo, the milligram line, and three swallow times. If those match the old branded bag, pairing rules match. If they do not, stop the new strip and call before anyone adds leftover 200 mg at lunch.

INN and milligram are the contract

If the new pack says modafinil and the same milligram you were prescribed, induction and the one-month contraceptive tail remain.

People treat a generic as weaker and drop backup. That is how unplanned pregnancies get a wake-drug footnote.

This site's public Modalert lock is 200 mg. The parent modafinil lock is 100 mg. A swap that silently jumps 100 to 200 is a dose change.

Photograph the INN line the day of the swap.

One swallow-time check after a generic swap

Before you call the generic weak, write swallow time and rest-day rules for three days. Shift work plus a later clock looks like a weaker tablet. Stacking leftover Modalert at lunch is still stacking.

Swap packet

INN photo, mg, lot, leftover branded foils removed, contraceptive plan. Brand talk: brand orbit.

Parent: modafinil orbit. [email protected] for sources. 112 for severe rash or chest pain.

Sources

  1. National generic substitution practice - same INN, verify strength
  2. FDA modafinil contraceptive and CYP language

Checked against the current label and reviewed by Dr. Ingrid Bergsson. See Lift, Chart, Peer-pass, Publish.

Chart thread

Generic swap questions after Modalert. Education only. Severe rash: 112. [email protected] for sources.

Counter, Laugavegur Patient refuses generic because 'interactions change.'

Desk reply

If INN and mg match, pairing rules match. Counsel the contraceptive warning so they hear continuity, not a downgrade. If mg drifted, stop and call the prescriber. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Counter, Laugavegur Patient refuses generic because interactions change.

Desk reply

If INN and mg match, pairing rules match. Counsel the contraceptive warning so they hear continuity. If mg drifted, stop and call the prescriber. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Patient New generic 200, I was on Modalert 200. Drop backup for a month to 'test'?

Desk reply

No. You never left modafinil. Backup stays. Testing pregnancy risk is not a bioequivalence study. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Counter 2 Refuses generic because interactions change.

Desk reply

If INN and mg match, pairing rules match. If mg drifted, stop and call the prescriber. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Wrong bag Strip says armodafinil 50. Keep it?

Desk reply

Return it. Not a Modalert generic. Different INN and a different milligram ladder. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Desk Swap reprint?

Desk reply

INN, mg, lot, leftover branded foils removed, contraceptive plan. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Sleepy week Generic weaker day four. Add leftover Modalert at lunch?

Desk reply

That is stacking the same INN. Check swallow time and rest-day rules first. Then call. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Partner He hid the generic because he thought it was a different drug.

Desk reply

Adherence failure. Same INN. Restart conversation with photos. Contraceptive plan may have been dropped in the confusion - ask clinic. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

No leaflet Pharmacy vial, no CYP paragraph. Am I safe?

Desk reply

Ask for counseling text. Absence of paper is not absence of induction. Read the enzyme page. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Wrong INN Strip says armodafinil 50.

Desk reply

Return it. Not a Modalert generic. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Sleepy 2 Add leftover Modalert at lunch because generic feels weak.

Desk reply

Stacking the same INN. Check swallow time and rest-day rules first. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Sleepy week Generic 'weaker' day four. Add leftover Modalert at lunch?

Desk reply

That is stacking the same INN. Check swallow time and rest-day rules first. Then call. Do not run two packs. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Transplant 2 Manufacturer change, cyclosporine. Extra trough?

Desk reply

Reasonable to ask the transplant team. Do not change cyclosporine yourself. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Transplant Manufacturer change, cyclosporine. Extra trough?

Desk reply

Reasonable to ask the transplant team. Do not change cyclosporine yourself because a tablet looks paler. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Patient 2 Drop backup for a month to test the generic?

Desk reply

No. You never left modafinil. Backup stays. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Patient New generic 200, I was on Modalert 200. Drop backup to test?

Desk reply

No. You never left modafinil. Backup stays. Testing pregnancy risk is not a bioequivalence study. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Wrong bag Strip says armodafinil 50. Keep it?

Desk reply

Return it. Not a Modalert generic. Different INN and this site's 50 mg lock is a different ladder. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.

Desk seal Swap visit minimum?

Desk reply

INN, mg, lot, leftover foils, contraceptive method. Modalert orbit. No price lists from this desk. Write the partner name, last clock time, and the labeled milligram on one scrap. Ask the pharmacist or prescriber before changing a gap or doubling. The bag wins if it disagrees with this educational page. Urgent collapse, breathing trouble, or severe rash: 112 in Iceland.