Pilocarpine
Molecule Description
Pilocarpine is a medicine which belongs to class of cholinergic agonists and mi
mics the action of a hormone called acetylcholine.
Uses of Pilocarpine
Mouth dryness (xerostomia) caused after radiation therapy in cancer Sjogren’s syndrome.
Contraindications of Pilocarpine
When should one not use Pilocarpine
- Allergy to Pilocarpine
- Uncontrolled asthma
- Glaucoma
- Eye infection
- Eye inflammation
Side effects of Pilocarpine
Common side effects of this drug are:
- Allergic reaction like- fever, chills, rash, hives, breathing difficulty, swelling over your face, lips, and throat
- Irregular breathing or heartbeats, headache, chest pain, shaking, and vomiting
- Increased tears or perspiration
- Vision changes- blurred vision
- Increased urination
- Chilliness
- Weakness
- Flushing
- Nausea
- Runny nose
- Dizziness
Precautions and Warnings of Pilocarpine
Pregnancy
Q:
Can I take Pilocarpine during pregnancy?
A:
Do not take this medicine if you are pregnant or planning for pregnancy. It is unknown whether it harms the unborn baby. Hence a doctor’s discretion is necessary before you start this drug.
Breast Feeding
Q:
Can I take Pilocarpine while breastfeeding?
A:
- It is unknown if this medicine can pass into breast milk and harm the child. Do not breastfeed while you are on Pilocarpine.
Driving
Q:
Can I drive if I have consumed Pilocarpine?
A:
Pilocarpine may cause blurring of vision. Do not drive while you are taking Pilocarpine.
Alcohol
Q:
Can I consume alcohol with Pilocarpine?
A:
Pilocarpine may cause blurred vision as a side effect. This side effect may worsen with alcohol. Do not drink alcohol while you are on this medicine.
Other General Warnings
Talk to your doctor if
- Lung problems (e.g., asthma, chronic bronchitis or chronic obstructive pulmonary disease)
- Heart problems (e.g., heart failure, irregular pulse)
- Gallbladder problems (e.g., gallstones)
- Stomach problems (e.g., ulcers)
- Liver problems (e.g., impaired liver function)
- Nervous system problems/ mental problems
- Kidney problems (e.g., renal insufficiency or kidney stones)
- Eye problems (e.g., narrow-angle glaucoma)
Mode of Action of Pilocarpine
How Does It Work?
Pilocarpine acts by increasing the secretion of saliva in the mouth from the salivary glands, thereby reducing mouth dryness.
Interactions of Pilocarpine
Interactions with other medicines
- Beta-blockers (Atenolol, Metoprolol). These may increase the heart-related side effects when taken along with Pilocarpine
- Anticholinergic agents (Ipratropium, Atropine). These decrease the efficacy of Pilocarpine
- Parasympathetic agents (Bethanechol). These increase the side effects of Pilocarpine
Interactions with food items
This medicine has interactions with alcohol.
Dosage of Pilocarpine
Overdose
Excess Pilocarpine ingestion may cause tremors, head pain, change in blood pressure, irregular heartbeat, breathing difficulty, confusion, vision changes, diarrhea, vomiting. Seek emergency medical attention immediately if you overdose....
Missed a Dose
Take medicine as soon as you remember. If the missed dose falls at the time of your next scheduled dose, then skip it. Do not take an extra dose to compensate for the missed dose.
Content Details
WRITTEN BY
Dr. Abhishek B L
MBBS, MD (Pharmacology)
REVIEWED BY
Dr. Ritu Budania
MBBS, MD (Pharmacology)
Frequently Asked Questions (FAQs)
Q: What should I discuss with my healthcare expert before taking Pilocarpine?
- You must inform your doctor if you are suffering from any diseases of the heart, lungs, kidney, liver, and gallbladder
- If you suffer from allergy of any kind
- If you have any psychiatric condition
- If you suffer from retinal detachment or an eye infection
- Pilocarpine can interact with other drugs hence inform your doctor if you are taking any other medicines, supplements, or herbs. Also, tell your physician if you are stopping any medication
Q: When and how to consume the medicine?
- You must take medicine precisely the way it is prescribed by the physician. Follow the instructions mentioned on the prescription label
- Do not alter the dose unless recommended by your doctor
- Do not take it longer or shorter than advised
- The medicine can be taken with or without food
- Drink more fluids when you are on pilocarpine treatment
- It may take about 12 weeks for the drug to act
References
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Disclaimer
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