It is also used to control nausea caused by gastroenteritis 'stomach flu'; a virus that may cause nausea, vomiting, and diarrhea.
Trimethobenzamide is in a class of medications called antihistamines. Trimethobenzamide may work by decreasing activity in the area of the brain that causes nausea and vomiting. Trimethobenzamide comes as a capsule to take by mouth. Trimethobenzamide usually is taken three or four times a day. Take trimethobenzamide at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
Take trimethobenzamide exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Take the missed dose as soon as you remember it.
However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. Trimethobenzamide may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication.
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture not in the bathroom. It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily. Hyoscyamine may also be used to treat certain heart conditions, to control the symptoms of Parkinson's disease and rhinitis runny nose , and to reduce excess saliva production.
Hyoscyamine comes as a tablet, an extended-release long-acting capsule, and a liquid to take by mouth. The tablets and liquid are usually taken three or four times a day. The extended-release capsules are usually taken twice a day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
Take hyoscyamine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Hyoscyamine controls symptoms associated with disorders of the GI tract, but it does not cure the disorders.
Continue to take hyoscyamine even if you feel well. Do not stop taking hyoscyamine without talking to your doctor. This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information. Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
Hyoscyamine may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication. Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture not in the bathroom.
It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily.
To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach. It is not known whether this medication passes into breast milk or if it could harm an unborn baby.
Do not use dextromethorphan and promethazine without telling your doctor if you are breast-feeding a baby. Take this medication exactly as it has been prescribed by your doctor. Do not use the medication in larger amounts, or use it for longer than recommended. Follow the directions on your prescription label.
Cough or cold medicine is usually taken only for a short time until your symptoms clear up. Always ask a doctor before giving cough or cold medicine to a child. Death can occur from the misuse of cough or cold medicine in very young children.
Measure the liquid form of this medicine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one. Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash. If you need to have any type of surgery, tell the surgeon ahead of time if you have taken a cough medicine within the past few days.
Store dextromethorphan and promethazine at room temperature, away from heat, light, and moisture. Since cough and cold medicine is usually taken only as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time.
Do not take extra medicine to make up the missed dose. Symptoms of a dextromethorphan and promethazine overdose may include feeling restless or nervous, severe drowsiness, dizziness, dry mouth, large pupils, flushing, nausea, vomiting, shallow breathing, and fainting. This medication can cause side effects that may impair your thinking or reactions.
Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol. It can increase some of the side effects of dextromethorphan and promethazine. Avoid taking diet pills, caffeine pills, or other stimulants such as ADHD medications without your doctor's advice. Taking a stimulant together with cough medicine can increase your risk of unpleasant side effects.
Avoid using other drugs that make you sleepy such as cold medicine, sleeping pills, pain medication, muscle relaxers, and medicine for seizures, depression or anxiety.
Dextromethorphan is contained in many medicines available over the counter. If you take certain products together you may accidentally take too much of this medicine. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using dextromethorphan and promethazine and call your doctor at once if you have any of these serious side effects:.
Keep taking dextromethorphan and promethazine and talk with your doctor if you have any of these less serious side effects:. Side effects other than those listed here may also occur.
Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
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