Health Guide

Guar gum

What is it?

Guar Gum is an herbal medicine sometimes used to treat diabetes, constipation, irritable bowel syndrome, ulcerative colitis, and to decrease cholesterol.

Other names for Guar Gum include: Cyamopsis Gum, Dietary Fiber, Guar Flour, Jaguar Gum, and Uni-Guar.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • Are taking medicine or are allergic (uh-ler-jik) to any medicine (prescription or over-the-counter (OTC) or diet supplement)
  • Are pregnant or plan to become pregnant while using this medicine
  • Are breastfeeding
  • Have difficulty swallowing
  • Have other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Guar Gum you should take. The amount depends on the strength of the medicine and the reason you are taking Guar Gum. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to. Take this medicine with a full glass of water.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine.

Drug and Food Interactions:

Do not take Guar Gum without talking to your doctor first if you are taking:

  • Medicines used for diabetes to lower blood sugar, examples: acarbose (Precose(R)); acetohexamide (Dymelor(R)); chlorpropamide (Diabinese(R)); glimepiride (Amaryl(R)), glipizide (Glucotrol(R)); glyburide (DiaBeta(R), Glynase PresTab(R), Micronase(R), Glucovance(R)); insulin (Humalog(R), Humulin(R), Novolin(R)); metformin (Glucophage(R), Glucovance(R)); pioglitazone (Actos(R)); Replaginide (Prandin(R)); rosiglitazone (Avandia(R); tolazamide (Tolinase(R)); tolbutamide (Orinase(R))
  • Medicines used for birth control, examples: Ethinyl Estradiol/Desogestrel (Apri(R), Cyclessa(R), Desogen(R), Mircette(R), Ortho-Cept(R)); Ethinyl Estradiol/Ethynodiol Diacetate (Demulen(R), Zovia(R)); Ethinyl Estradiol/Levonorgestrel (Alesse(R), Levlen(R), Levora(R), Nordette(R), Tri-Levlen(R), Triphasil(R)); Ethinyl Estradiol/Norethindrone (Modicon(R), Norethin(R), Norinyl(R), Neocon(R), Ortho-Novum(R), Ovcon(R), Tri-Norinyl(R)), Ethinyl Estradiol/Norgestimate (Ortho Tri-Cyclen(R), Ortho-Cyclen(R)); Ethinyl Estradiol/Norgestrel (Lo/Ovral(R), Ovral(R)); Ethyinyl Estradiol/Norethindrone Acetate (Estrostep FE(R), Loestrin(R)); Ethinyl Estradiol/Drospirenone (Yasmin(R)), Ethinyl Estradiol/Norelgestromin (Ortho Evra(R)), Ethinyl Estradiol/Etonogestrel (Nuvaring(R))
  • Medicines used for infection, examples: Penicillin V (Veetids(R))
  • Alcohol
  • Calcium


  • Before taking Guar Gum, tell your doctor if you are pregnant, breastfeeding or have difficulty swallowing

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms. This may mean that you are allergic (uh-ler-jik) to the medicine.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Chest pain, difficulty swallowing, or vomiting (throwing up)
  • Diarrhea, nausea, or flatulence (passing gas)
  • Stomach pain, pressure, or you feel full


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Last Updated: 7/4/2018
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