Generic Name:  Trithexyphenidyl
Brand Name: Artane, Romparkin
This medication description is not meant for treatment prescription without the intervention of a specialist
Common Uses:  Trihexyphenidyl alters unusual nerve impulses and relaxes stiff muscles. Trihexyphenidyl is used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease. It is also used to treat and prevent the same muscular conditions when they are caused by drugs such as chlorpromazine (Thorazine), fluphenazine (Prolixin), perphenazine (Trilafon), haloperidol (Haldol), thiothixene (Navane), and others.

How to use: Take trihexyphenidyl exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose with a full glass of water. Trihexyphenidyl may be taken with or without meals. Taking trihexyphenidyl with food may lessen stomach upset. To ensure that you get a correct dose, measure the liquid form of trihexyphenidyl with a special dose-measuring spoon or cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist where you can get one.
Warning and Precautions:Do not use trihexyphenidyl without first talking to your doctor if you have :

• ever had an allergic reaction to it;
• narrow-angle glaucoma;
• an obstruction in the bowel or a complication of bowel disease known as megacolon; or
• myasthenia gravis.

Before taking this medication, tell your doctor if you have

• enlargement of the prostate or difficulty urinating;
• epilepsy or another seizure disorder;
• heart disease or an irregular heartbeat;
• depression or any other psychiatric illness;
• kidney disease; or
• liver disease.

It is not known whether trihexyphenidyl will be harmful to an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment. It is not known whether trihexyphenidyl passes into breast milk. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.

Important safety information: Use caution when driving, operating machinery, or performing other hazardous activities. Trihexyphenidyl may cause dizziness or blurred vision. If you experience dizziness or blurred vision, avoid these activities. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while taking trihexyphenidyl. Avoid becoming overheated. Trihexyphenidyl may cause decreased sweating. This could lead to heat stroke in hot weather or with vigorous exercise.

Side Effects: 
If you experience any of the following serious side effects, stop taking trihexyphenidyl and seek emergency medical attention or contact your doctor immediately:

• an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
• fever;
• fast or irregular heartbeats;
• anxiety, hallucinations, confusion, agitation, hyperactivity, or loss of consciousness;
• seizures;
• eye pain; or
• a rash.

Other, less serious side effects may be more likely to occur. Continue to take trihexyphenidyl and talk to your doctor if you experience

• dryness of the mouth;
• large pupils or blurred vision;
• drowsiness or dizziness;
• difficulty urinating or constipation;
• nervousness or anxiety;
• upset stomach; or
• decreased sweating.

This is not a complete list of side effects and others may occur.

Overdose:
Seek emergency medical attention. Symptoms of a trihexyphenidyl overdose include large pupils; warm, dry skin; flushed face; fever; dry mouth; fast or irregular heartbeat; anxiety; hallucinations; confusion; agitation; hyperactivity; loss of consciousness; and seizures.


Missed Dose: Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and only take the next regularly scheduled dose. Do not take a double dose of this medication.
Do not use this medicine:
se caution when driving, operating machinery, or performing other hazardous activities. Trihexyphenidyl may cause dizziness or blurred vision. If you experience dizziness or blurred vision, avoid these activities. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while taking trihexyphenidyl.
Avoid becoming overheated. Trihexyphenidyl may cause decreased sweating. This could lead to heat stroke in hot weather or with vigorous exercise. Try to keep as cool as possible and watch for signs of heat stroke such as decreased sweating, nausea, and dizziness.
Storage conditions:
Trihexyphenidyl should be kept away from heat, direct light, water, moisture at a room temperature (approximately 23 degrees C). The medicine should be kept in a place unreachable for children.
All information given above is a summary. You must visit your doctor, pharmacies or health care provider can provide more information about this medicine. Do not share this medicine with others for whom it was not prescribed. Do not use this medicine for other health conditions. Do not store medication with end term of storage.