April 29, 2017
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Pilopine HS

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Pilopine HS

(pilocarpine hydrochloride) Ophthalmic Gel 4%


PILOPINE HS® (pilocarpine hydrochloride ophthalmic gel) 4% is a sterile topical ophthalmic aqueous gel which contains more than 90% water and employs carbopol 940, a synthetic high molecular weight cross-linked polymer of acrylic acid, to impart a high viscosity. The active ingredient, pilocarpine hydrochloride, is a cholinergic agent and is represented by the chemical structure:

PILOPINE HS® (pilocarpine hydrochloride) Structural Formula Illustration

Established name: Pilocarpine Hydrochloride

Chemical name: 2(3H)-Furanone, 3-ethyldihydro-4-[(1-methyl-1H-imidazol-5-yl)-methyl]-, monohydrochloride, (3S-cis)-.

PILOPINE HS® (pilocarpine hydrochloride ophthalmic gel) 4% - Each Gram Contains: Active: pilocarpine hydrochloride 4% (40 mg). Preservative: benzalkonium chloride 0.008%. Inactives: carbopol 940, edetate disodium, hydrochloric acid and/or sodium hydroxide (to adjust pH) and purified water.

What are the possible side effects of pilocarpine ophthalmic (Pilocar, Pilopine-HS, Pilostat)?

Stop using pilocarpine and 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.

Call your doctor at once if you have any of these serious side effects:

  • severe stinging, burning, swelling, or redness of your eye;
  • vision changes;
  • eye pain or increased watering; or
  • crusting or drainage around your eye.

Less serious side effects may include:

  • mild burning, stinging, or discomfort of your...

Read All Potential Side Effects and See Pictures of Pilopine HS »

What are the precautions when taking pilocarpine hydrochloride ophthalmic gel (Pilopine HS)?

Before using pilocarpine, tell your doctor or pharmacist if you are allergic to it; or to preservatives (e.g., benzalkonium chloride); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, other eye problems (e.g., iritis, detached retina), heart disease (e.g., heart failure, recent heart attack), low or high blood pressure, overactive thyroid (hyperthyroidism), Parkinsonism, stomach/intestinal problems (e.g., ulcers, spasms).

After you apply pilocarpine, your vision may become temporarily blurred or unstable. Vision in dim light may be affected....

Read All Potential Precautions of Pilopine HS »

Last reviewed on RxList: 8/28/2008
This monograph has been modified to include the generic and brand name in many instances.

Pilopine HS - User Reviews

Pilopine HS User Reviews

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Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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