Prescription for a long time, then when it came out OTC, I just take a double dosage, which equals the prescription dose I was on. Prevacid world much better for me than Prilosec. Prevacid world much better for me than Prilosec. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Krauser on took two prevacid: As long as you wait one hour after taking the levothyroxine, you should have no problem then taking zantac (ranitidine). You must not donate blood or sperm while using CellCept, and for at least 6 weeks (for blood) or 90 days (for sperm) after your last dose. Do not receive a live vaccine while using mycophenolate mofetil. Thank you for your question: If you accidentally took 2 doses of Dexilant, there is really not nothing to worry about. The manufacturer's FDA approved prescribing information has no reports of problems with accidental ingestion of twice the recommended dose. Do not take a double dose to make up for a forgotten dose. If you often forget doses, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to remember your medicine. I took 1 Nexium straight out of the bottle, then filled my pill box with them as well, an hour later i went to take my other medications (which were in the pill box) taking them all at once forgetting that there was an extra Nexium in along with my pills for that day there for taking 2 Nexium's for the day. My 18 month old had a moderate reaction to her shots and has had a high fever for 48 hours. The nurse at my doctors office suggested staggering doses of infant tylenol and infant motrin to keep her fever from yo-yoing. Since you took 2 together, you have reached the maximum recommended dose and should NOT use anymore. Now as far as this dose is concerned, you should not experience any serious issues however if you start to develop the following symptoms then you will need to head to the ER, Sometimes you may need double dose but would not do it long term. Giving one extra dose of prevacid (lansoprazole) does not lead to any toxicity. Research shows that in studies, giving extremely large doses of Prevacid to rats and mice did not cause problems. Reports of overdoses in humans also did not suggest any problems..