Get medical help right away if you have any very serious side effects, including: fast/slow/irregular heartbeat, severe dizziness, fainting, seizure.Ī very serious allergic reaction to this drug is rare. Tell your doctor right away if you have any serious side effects, including: easy bruising/bleeding, signs of infection (such as sore throat that doesn’t go away, fever, chills), mental/mood changes (e.g., restlessness, confusion, depression, hallucinations). Many people using this medication do not have serious side effects. If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Headache, constipation or diarrhea may occur. Do not take this medication for more than 14 days in a row without talking with your doctor.

Stop taking this medication and call your doctor promptly if your symptoms continue after you begin taking it, or if they do not improve after you have been taking this medication for 14 days in a row. If you have any questions, ask your doctor or pharmacist. Follow all directions on the product package. To prevent heartburn and acid indigestion, take famotidine 15-60 minutes before eating food or drinking beverages that can cause indigestion.ĭo not take more than 2 tablets in 24 hours unless directed by your doctor. Famotidine can be taken with or without food. If you are using the chewable tablets, chew completely and swallow one tablet as needed. Swallow the tablets and capsules whole without chewing. To treat heartburn and acid indigestion, take 1 tablet or capsule with a glass of water as needed, unless otherwise directed by your doctor. Food does not appear to affect the absorption of famotidine or peak concentrations. One dose of L194 pill substantially inhibits the secretion of gastric acid for 10 to 12 hours.

Symptomatic relief for GERD occurs within 24 hours after starting therapy with famotidine. Peak effects are reached within one to three hours of taking a dose. The effect of L194 pill lasts for 10 to 12 hours after a single dose.

The maximum effect depends on the dose and occurs within one to three hours. L194 pill starts to suppress gastric acid within an hour of taking. By blocking H2 receptors, L194 pill prevents histamine from having this effect, thereby reducing gastric acid secretion. Histamine is the chemical transmitter that stimulates the parietal cells to release gastric acid. Famotidine reduces the secretion of gastric acid in the stomach by blocking the effect of histamine on histamine H2-receptors located on the parietal cells lining the stomach wall. L194 pill decreases the amount of acid the stomach produces and is used to treat certain gastrointestinal conditions characterized by high acid production.

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