Drug Interaction Report

Using timothy grass pollen allergen extract together with methylene blue may not be advisable. Immunotherapy with timothy grass pollen allergen extract can sometimes cause severe, even potentially life-threatening allergic reactions that require emergency treatment with epinephrine, and medications like methylene blue can potentiate the body's response to epinephrine and significantly increase its effects on blood pressure and heart rate as well as serious and potentially fatal irregular heart rhythms. Talk to your doctor if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Oral medications may not be properly absorbed when they are taken within one hour before starting sodium biphosphate for bowel cleansing. Talk to your doctor or pharmacist to see if you should adjust the dosing schedule of your other medications before you begin bowel cleansing treatment. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Consuming food or beverage during or immediately after using timothy grass pollen allergen extract may reduce the amount of allergen extract available for absorption from tissues under the tongue into the blood stream. Food or beverage should not be taken with, or for at least 5 minutes after, using timothy grass pollen allergen extract. Use of alcohol with timothy grass pollen allergen extract may increase the risk and severity of allergic reactions that can sometimes occur during treatment with timothy grass pollen allergen extract. Potentially life-threatening or fatal reactions may occur. Talk to your doctor if you have any questions or concerns. Stop using timothy grass pollen allergen extract, administer epinephrine, and seek immediate medical attention if signs and symptoms of an allergic reaction develop such as trouble breathing, swallowing, or speaking; throat tightness or swelling; dizziness, lightheadedness, or fainting; rapid or weak heartbeat; severe stomach cramps or pain; vomiting or diarrhea; and/or severe flushing or itching. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Ask your doctor before using hyoscyamine together with ethanol (alcohol). Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking hyoscyamine. You should be warned not to exceed recommended dosages and to avoid activities requiring mental alertness. If your doctor prescribes these medications together, you may need a dose adjustment to safely take this combination. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.