• Carbachol indications
• Carbachol description
• Carbachol dosage
• Carbachol interactions
• Carbachol side effects
• Carbachol contraindications

What is Carbachol?

Carbachol lowers pressure in the eye by increasing the amount of fluid that drains from the eye.

Carbachol (for the eye) is used to treat glaucoma.

Carbachol may also be used for purposes not listed in this medication guide.

Carbachol indications

Carbachol reduces the pressure in the eye by increasing the amount of fluid that drains from the eye. Carbachol also causes the pupil to become smaller and reduces its response to light or dark conditions.

Carbachol is used to treat glaucoma by lowering the pressure inside the eye.

Carbachol may also be used for purposes other than those listed in this medication guide.

How should I use Carbachol?

Use exactly as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Wash your hands before using eye medication.

To apply the eye drops:

• Tilt your head back slightly and pull down your lower eyelid to create a small pocket. Hold the dropper above the eye with the tip down. Look up and away from the dropper as you squeeze out a drop, then close your eye.

• Use only the number of drops your doctor has prescribed.

• Gently press your finger to the inside corner of the eye (near your nose) for about 1 minute to keep the liquid from draining into your tear duct.

• If you use more than one drop in the same eye, wait about 5 minutes before putting in the next drop.

• Also wait at least 10 minutes before using any other eye drops that your doctor has prescribed.

Do not allow the tip of the dropper to touch any surface, including your eyes or hands. If the dropper becomes contaminated it could cause an infection in your eye, which can lead to vision loss or serious damage to the eye.

Do not use the eye drops if the liquid has changed colors or has particles in it. Call your pharmacist for new medication.

Store at room temperature away from moisture and heat. Do not freeze. Keep the bottle tightly closed when not in use.

Carbachol description

A slowly hydrolyzed cholinergic agonist that acts at both muscarinic and nicotinic receptors. [PubChem]

Carbachol dosage

Carbachol Dosage

Generic name: CARBACHOL 0.1mg in 1mL

Dosage form: intraocular solution

The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.

Aseptically remove the sterile vial from the blister package by peeling the backing paper and dropping the vial onto a sterile tray. Withdraw the contents into a dry sterile syringe, and replace the needle with an atraumatic cannula prior to intraocular instillation. No more than one-half milliliter should be gently instilled into the anterior chamber for the production of satisfactory miosis. It may be instilled before or after securing sutures. Miosis is usually maximal within two to five minutes after application.

More about Carbachol (Carbachol)

• Side Effects
• During Pregnancy or Breastfeeding
• Dosage Information
• Drug Interactions
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Consumer resources

• Carbachol ocular
• Carbachol

• Other brands: Isopto Carbachol, Carboptic, Carbachol

Professional resources

• Carbachol (FDA)
• Carbachol (AHFS Monograph)

Related treatment guides

• Glaucoma
• Intraocular Hypertension
• Production of Miosis

Carbachol interactions

See also:
What other drugs will affect Carbachol?

Before using this medication, tell your doctor if you are using another eye medication, especially if it is a nonsteroidal anti-inflammatory drug (NSAID) such as flurbiprofen (Ocufen), suprofen (Profenal), diclofenac (Voltaren), or ketorolac (Acular).

Do not use other eye medications during treatment with Carbachol except under the direction of your doctor.

Drugs other than those listed here may also interact with Carbachol. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including vitamins, minerals, and herbal products.

Carbachol side effects

See also:
What are the possible side effects of Carbachol?

Applies to Carbachol: ophthalmic solution

In addition to its needed effects, some unwanted effects may be caused by Carbachol (the active ingredient contained in Carbachol). In the event that any of these side effects do occur, they may require medical attention.

Severity: Moderate

If any of the following side effects occur while taking Carbachol, check with your doctor or nurse as soon as possible:

Rare

• Veil or curtain appearing across part of vision

Symptoms of too much medicine being absorbed into the body

• Diarrhea, stomach cramps or pain, or vomiting
• fainting
• flushing or redness of face
• frequent urge to urinate
• increased sweating
• irregular heartbeat
• shortness of breath, wheezing, or tightness in chest
• unusual tiredness or weakness
• watering of mouth

Minor Side Effects

Some of the side effects that can occur with Carbachol may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

More common:

• Blurred vision or change in near or distance vision
• eye pain
• stinging or burning of the eye

Less common:

• Headache
• irritation or redness of eyes
• twitching of eyelids

Carbachol contraindications

See also:
What is the most important information I should know about Carbachol?

You should not use carbachol if you are allergic to it, or if you have swelling of your iris (the colored part of your eye).

Before using this medication, tell your doctor if you have had a recent eye injury, heart failure or recent heart attack, high or low blood pressure, asthma, a stomach ulcer, an overactive thyroid, urination problems, Parkinson's disease, if you have had a retinal tear, if you are nearsighted, or if you have had cataract surgery.

Do not allow the tip of the dropper to touch any surface, including your eyes or hands. If the dropper becomes contaminated it could cause an infection in your eye, which can lead to vision loss or serious damage to the eye.

This medication may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Do not use this medication while wearing contact lenses. Carbachol may contain a preservative that can discolor soft contact lenses. Wait at least 15 minutes after using carbachol before putting in your contact lenses.

Call your doctor at once if you have vision problems, seeing "floaters" in your vision, or severe burning, stinging, or if you have eye irritation after using the eye drops.

Active ingredient matches for Carbachol:

Carbachol ophthalmic in Australia, Belgium, Canada, Czech Republic, France, Georgia, Hungary, Israel, Luxembourg, Malaysia, Netherlands, Philippines, Poland, Romania, Singapore, Slovenia, Sweden, Switzerland, Taiwan, Thailand, Turkey, United States.

Unit description / dosage (Manufacturer)	Price, USD
Liquid; Subcutaneous; Carbachol 0.25 mg / ml
Tablet; Oral; Carbachol 2 mg
Solution; Intraocular; Carbachol 0.01%
Isopto Carbachol 3% Solution 15ml Bottle	$ 61.76
Carbachol 99% powder	$ 53.10
Isopto Carbachol 1.5% Solution 15ml Bottle	$ 48.64
Isopto Carbachol 1.5% Solution 30ml Bottle	$ 44.99
Miostat vial	$ 32.40
Isopto carbachol 3% drops	$ 3.51
Isopto carbachol 1.5% drops	$ 3.07
Isopto Carbachol 3 % Solution	$ 0.91
Isopto Carbachol 1.5 % Solution	$ 0.76
Carbachol tablet 2 mg (Mylan Pharmaceuticals Ulc (Canada))
List of Carbachol substitutes (brand and generic names):
carbachol ophthalmic
Carbastat
Solution; Intraocular; Carbachol 0.01% (Novartis ophthalmics)
1.5 milliliter in 1 vial, glass (Novartis ophthalmics)
Carbastat solution 0.01 % (Novartis ophthalmics)
Carboptic
Isopto Carbachol (Australia, Botswana, Canada, Eritrea, Germany, Ghana, Israel, Kenya, Luxembourg, Malawi, Namibia, Nigeria, Tanzania, Uganda, United Kingdom, United States, Zambia, Zimbabwe)
Liquid; Ophthalmic; Carbachol 1.5% (Alcon Laboratories, Inc.)
Liquid; Ophthalmic; Carbachol 3% (Alcon Laboratories, Inc.)
Miostat (Australia, Belgium, Canada, Czech Republic, France, Georgia, Hungary, Israel, Luxembourg, Malaysia, Netherlands, Philippines, Poland, Romania, Singapore, Slovenia, Sweden, Switzerland, Taiwan, Thailand, Turkey, United States)
Solution; Intraocular; Carbachol 0.01% (Alcon)
Miostat 0.01 % x 1, 5 mL x 12 Bottle (Alcon)
Miostat / vial 0.01 % x 1.5 mL x 12's (Alcon)	$ 134.44
Miostat 0.01 % x 1.5 mL x 12's (Alcon)
1.5 milliliter in 1 vial, glass (Alcon)
Miostat 0.01 % x 1.5 mL (Alcon)
Miostat ophth soln 0.01 % / vial 1.5 mL x 12 x 1's (Alcon)	$ 134.44
Miostat solution .1 mg/mL (Alcon)

References

1. DailyMed. "CARBACHOL: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
2. PubChem. "carbachol". https://pubchem.ncbi.nlm.nih.gov/com... (accessed September 17, 2018).
3. DrugBank. "carbachol". http://www.drugbank.ca/drugs/DB00411 (accessed September 17, 2018).

Reviews

The results of a survey conducted on ndrugs.com for Carbachol are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Carbachol. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.

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Information checked by Dr. Sachin Kumar, MD Pharmacology