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Name of the generic: simethicone simethicone sime-METH-i-cone [sye-METH-i-cone]
Names of brands: Alka-Seltzer Anti-Gas, Bicarsim Gas Aide Gas Relief Extra Strength, Gas Relief Ultra Strength Softgels,… show the 20 brands
Drug class: Miscellaneous GI agents

What is Phazyme?

Phazyme can reduce the pain that is caused by gas accumulation from the stomach or the intestines. The medicine can be used for children, infants, and adults. Phazyme is also used for reasons not mentioned in this medication guide.

Side effects of Phazyme

Seek medical attention immediately in the event that you exhibit symptoms that indicate an allergy, such as symptoms of hives, breathing difficulties, and swelling of your lips, face, or tongue. More minor side effects might be more likely, or there may be no side effects whatsoever.

This is not a comprehensive list of all side effects. Other effects may also be present. Contact your physician for advice regarding medical adverse effects. You may report any adverse reactions to the FDA at 1-800-FDA-1088.


Follow the directions on the label of your medication and the package. Be sure to inform your healthcare professionals about your allergies, medical conditions, and any other medications you take.

Prior to use this drug

You shouldn't take Phazyme if you are allergic to it.Consult a physician or pharmacist to determine if it's safe to take Phazyme in case you are sensitive to any medication or suffer from any kind of serious health issue (especially one that can affect the stomach or the intestines). Talk to your doctor prior to taking this medication if you are nursing or pregnant. The liquid version could contain phenylalanine. Consult your physician prior to making use of this type of simethicone when you suffer from phenylketonuria (PKU).

Related drugs

Diazepam, valium, simethicone, hyoscyamine, levsin, mylanta, and iopamidol

How to take Phazyme?

Follow the directions on the label or as recommended by your physician. Do not take more medicine than prescribed. Phazyme is best taken prior to meals and before bedtime. It is important to chew the chewable tablet prior to taking it in. Make sure to measure the liquid medicine with care. Make use of the dosing needle provided or a dosage-metering device (not the kitchen spoon).

Phazyme liquid drops are mixed with baby formula or other liquids in order to ease swallowing for infants and children. Follow the instructions on the label of the medicine about the administration of phazyme to children. Call your doctor when the child's symptoms of gas persist after treatment with this medication.You might need to stick to an appropriate diet or exercise regimen when taking Phazyme. Follow all the directions of your physician or dietitian. Find out about the foods you should be aware of or avoid to manage your illness. Keep at room temperature, free of heat, moisture, and light. Make sure that you do not let the liquid version of this medicine be frozen.

Do I be concerned if I miss a dose?

Because phazyme is only used for emergencies, it is possible that you are not on a prescribed schedule. Do not miss any doses when it's time to take the next dose. Don't use two doses in one go.

What will happen if I take excessively?

Get medical attention in an emergency or contact the Poison Help Line toll-free at 1-800-222-1222.

What should be avoided?

Consult your physician before taking an antacid. Make sure you use only the one recommended by your physician. Some antacids may contain phazyme.

Interaction with other drugs

Other medications may interact with Phazyme, including prescription and non-prescription medicines, vitamins, and herbal products. Inform your physician about all the medications you currently use and any medication you begin or stop taking.