Trihexyphenidyl Hydrochloride (Oral)

Trihexyphenidyl Hydrochloride (By Mouth)

Trihexyphenidyl Hydrochloride (trye-hex-ee-FEN-i-dil hye-droe-KLOR-ide)

Treats symptoms of Parkinson's disease or side effects of other drugs.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to trihexyphenidyl.

How to Use This Medicine:

Tablet, Long Acting Capsule, Liquid

• Your doctor will tell you how much to take and how often.
  
• This medicine may be taken before or after meals. Swallow whole. Do not crush, chew, or open the capsules before swallowing.
  
• Measure the oral liquid with a measuring spoon or medicine cup.
  

If a dose is missed:

• Take the missed dose as soon as possible.
  
• If it is almost time for your next regular dose, wait until then to take your medicine, and skip the missed dose.
  
• You should not use two doses at the same time.
  

How to Store and Dispose of This Medicine:

• Store at room temperature, away from heat, moisture, and direct light. Do not freeze the oral liquid.
  
• Keep all medicine out of the reach of children.
  

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Avoid drinking alcohol while taking this medicine.
  
• Make sure your doctor knows if you are taking any other medicines that may make you sleepy such as sleeping pills, cold and allergy medicine, muscle relaxants, tranquilizers, or narcotic pain killers.
  

Warnings While Using This Medicine:

• Talk with your doctor before taking this medicine if you have glaucoma, an enlarged prostate, bowel or stomach problems, fast or irregular heartbeat, liver, heart, or kidney disease, or any other medical problems.