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Before taking thiamine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

During pregnancy, this vitamin has been found to be safe when used in recommended doses. Higher doses during pregnancy should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This vitamin passes into breast milk and is considered to be safe during breastfeeding when used in recommended doses. Consult your doctor for more information.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

This vitamin may interfere with certain lab tests (such as uric acid levels, urobilinogen urine test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this vitamin.

Take this vitamin by mouth with or without food, usually 1 to 3 times daily. Follow all directions on the product package, or take as directed by your doctor. If you have any questions, ask your doctor or pharmacist.

If you are using the liquid form of this medication, shake the bottle well before each dose. Carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.

The dosage is based on your medical condition and response to treatment.

Use this vitamin regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.

Tell your doctor if your condition lasts or gets worse. If you think you may have a serious medical problem, get medical help right away.

Lab and/or medical tests (such as thiamine levels) may be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.

This product is not a substitute for a proper diet. It is best to get your vitamins from healthy foods. Thiamine is commonly found in cereal grains, bread, pork, and beans, among others. Consult your doctor, pharmacist, or nutritionist for more details.

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

Different brands of this vitamin have different storage needs. Check the product package for instructions on how to store your brand, or ask your pharmacist. Do not store in the bathroom. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669.