Isoptin (Verapamil) should be taken exactly as prescribed. It must not be taken in on a larger or smaller dosage than what was prescribed and the label must be followed properly.
The dosage may be adjusted according to needs for better results. Extended release tablets or capsule must not be chewed or crushed, it should be swallowed whole.
If there is difficulty upon swallowing the medication, inquire health care provider if it is safe to open the capsule or crush the medication to mix it with soft food or liquid to ensure ease in taking the medication.
Isoptin must be regularly taken without fail and must not be stopped even when feeling better. Hypertension may become worse when Verapamil is stopped abruptly.
The treatment not only requires this medication, but also diet, exercise, and living a healthy stress-free life. Blood pressure must be taken on a regular basis.
Missed Dose:
The missed dose must be taken as soon as remembered. Skip the missed dose if time for the next scheduled dose is near. Do not double the dosage.
Overdose:
If an overdose is suspected, seek emergency help.
Important:
- Do not engage in tasks that require alertness in mind.
- Avoid changing positions abruptly as it may cause orthostatic hypotension. Get up slowly to prevent from falling.
- Alcohol consumption increases some side effects of this medication.
- Grapefruit and its juice does not mix well with this medication and may lead to harmful effects.
- Do not use if you are allergic to it and its components or if you have AV block or sick sinus syndrome.
- Inform health care provider for presence of kidney or liver disease, nerve-muscle disorder or congestive heart failure.
- Follow proper diet and exercise regimen.
- Often, high blood pressure is asymptomatic, so take the medication even if no symptoms are present.
- Verapamil is not known if it causes harm to an unknown baby. Inform health care provider in cases of plans for pregnancy. Verapamil crosses breast milk.
Common Isoptin side effects:
- Nausea, vomiting
- Skin rash or itching
- Dizziness
- Fatigue
- Tingling sensation
- Constipation
Seek emergency help:
- Severe allergic reactions
- Tachycardia or bradycardia
- Shortness of breath upon exertion
- Excessive fatigue
- Nausea
- Stomach pain
- Clay-colored stools
- Dark urine
- Anorexia
- Low grade fever
- Jaundice
- Rapid weight gain; edema
