Mestinon SR

= Prescription Required = Generic Equvalent
Mestinon SR
180mg Tablets (Sustained-Release)
Pyridostigmine Bromide

Mestinon SR Prescription Drug Information

Pyridostigmine Bromide (By mouth)
Pyridostigmine Bromide (pir-id-oh-STIG-meen BROE-mide)

Treats myasthenia gravis (a muscle disease).

Brand Name(s):Mestinon, Mestinon Timespan
There may be other brand names for Mestinon SR.

When Mestinon SR Should Not Be Used:
You should not use Mestinon SR if you have ever had an allergic reaction to pyridostigmine.

How to Use Mestinon SR:
Tablet, Long Acting Tablet, Liquid

  • Your doctor will tell you how much to take and how often.
  • You may take Mestinon SR with food or milk to avoid stomach upset.
  • Swallow the extended-release tablet whole. Do not crush or chew before swallowing.
  • Measure the oral liquid with a marked measuring spoon or medicine cup.

If a dose of Mestinon SR is missed:

  • Take the missed dose as soon as possible.
  • Skip the missed dose if it is almost time for your next regular dose.
  • You should not use two doses at the same time.

How to Store and Dispose of Mestinon SR:

  • Keep Mestinon SR in the original tightly closed, light-resistant container. Store at room temperature, away from heat and moisture. Do not freeze the oral liquid.
  • Keep all medicine out of the reach of children.

Drugs and Foods to Avoid While Taking Mestinon SR:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Avoid drinking alcohol while you are taking Mestinon SR.
  • Avoid taking other medicines that make you sleepy such as sleeping pills, cold or allergy medicine, strong pain killers, or tranquilizers (Thorazine®, Mellaril®).

Warnings While Using Mestinon SR:

  • Talk with your doctor if you are pregnant, breastfeeding, or have asthma, heart disease, an enlarged prostate, or intestinal or urinary blockage. Tell your doctor if you become pregnant while taking Mestinon SR.
  • Mestinon SR may cause confusion or blurred vision. Be careful when driving a car or using machinery.

Possible Side Effects While Using Mestinon SR:
Call your doctor right away if you notice any of these side effects:

  • Skin rash, itching, or hives
  • Seizures
  • Trouble breathing
  • Slurred speech
  • Confusion
  • Irregular heartbeat

If you notice these less serious side effects while taking Mestinon SR, talk with your doctor:

  • Nervousness
  • Muscle cramps or twitching
  • Nausea, vomiting, or diarrhea
  • Stomach cramps
  • Increased saliva
  • Anxiety
  • Watering eyes

If you notice other side effects that you think are caused by Mestinon SR, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

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