Medique® Diotame InstyDose®

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Medi-First® Brand


Product Information

Fast-acting relief of acid indigestion and diarrhea. Soothes irritation with a protective coating action without constipating.

  • Unit dose, liquid packets
  • English and Spanish labeling where possible

Each 15 ml contains:
Bismuth Subsalicylate 262 mg


Available in the following package sizes:
20 - 30 ml Pkts - Item 15871

Also available in a chewable tablet, click here.



Drug Facts Information


Active ingredient (in each 15 ml): Bismuth Subsalicylate 262 mg
Purpose: Upset stomach reliever/antidiarrheal

Inactive ingredients
benzoic acid, citric acid, D&C red #22, D&C red #28, hydroxypropyl methylcellulose, methyl salicylate, purified water, salicylic acid, sodium saccharin, sorbic acid, veegum


Temporarily relieves
travelers' diarrhea
upset stomach due to overindulgence in food and drink, including:


Reye’s syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye’s Syndrome a rare but serious illness.

Allergy alert: Contains salicylate. Do not take if you are:
allergic to salicylates (including aspirin)
taking other salicylate products

Do not use if you have
an ulcer
a bleeding problem
bloody or black stool

Ask a doctor before use if you have
mucus in the stool

Ask a doctor or pharmacist if you are taking any drug for
anticoagulation (thinning of the blood)

When using this product a temporary and harmless darkening of the tongue and/or stool may occur. Stool darkening should not be confused with melena.

Stop use and ask a doctor if
symptoms get worse or last more than 2 days
ringing in the ears or loss of hearing occurs
diarrhea lasts more than 2 days

If pregnant or breast-feeding, ask a health professional before use.

Keep this and all drugs out of reach of children. In case of accidental overdose, contact a physician or poison control center immediately.


■ shake well before use
■ drink plenty of clear fluids to help prevent dehydration caused by diarrhea

Adults and children: (12 years and older) Take 1 dose (2 Tbs or 30 ml) every 1/2 to 1 hour as needed. Do not exceed 8 doses (16 Tbs or 240 ml) in 24 hours. Use until diarrhea stops, but not more than 2 days.

Children under 12 years: Do not give to children under 12 years of age.

Other Information

tamper-evident, do not use if container is torn, cut or opened
store at controlled room temperature 59º-86ºF (15º-30ºC)
avoid excessive heat and humidity


Questions? Please contact us at 1-800-634-7680

Medique Products takes great care to ensure that the product you take is completely safe. This website contains current product information as of 7/31/20 and may differ from the information on the product packaging you may have.


Pepto-Bismol® is a registered trademark of Proctor & Gamble.