Verapamil Solution For Injection 2.5Mg Drug Medication Dosage Information
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Verapamil: Solution for injection (2.5mg)

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What is this Medicine?

VERAPAMIL (ver AP a mil) is a calcium-channel blocker. It affects the amount of calcium found in your heart and muscle cells. This relaxes your blood vessels, which can reduce the amount of work the heart has to do. This medicine is used to treat an irregular heart beat or flutter.

In-Depth Information
Select a Medication

Verapamil Hydrochloride 2.5mg/ml Solution for Injection

NDC: 004091144
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Atrial Flutter, Atrial Fibrillation, Paroxysmal Supraventricular Tachycardia (PSVT)

Storage Information
Store in original package until time of use
Protect from light
Store at controlled room temperature (between 68 and 77 degrees F)
Verapamil Hydrochloride 2.5mg/ml Solution for Injection

Reported Side Effects for Verapamil Hydrochloride 2.5mg/ml Solution for Injection

Dry Mouth Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Stomach Pain Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Muscle Cramps Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Brain Attack Incidence:
<2.0%*
Severity: SEVERE
Onset: EARLY
Fainting Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Weakness Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Confusion Incidence:
<2.0%*
Severity: MODERATE
Onset: EARLY
Diaphoresis Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Bruise Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Elevated Hepatic Enzymes Incidence:
<2.0%*
Severity: MODERATE
Onset: DELAYED
Rash With Pustules Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Paresthesias Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Skin Rash Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Erythema Multiforme Incidence:
<2.0%*
Severity: SEVERE
Onset: DELAYED
Shortness Of Breath Incidence:
<2.0%*
Severity: MODERATE
Onset: EARLY
Upset Stomach Incidence:
<2.7%*
Severity: MILD
Onset: EARLY
Drowsiness Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Inability To Sleep Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Itching Incidence:
<2.0%*
Severity: MILD
Onset: RAPID
Joint Pain Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Stevens-Johnson Syndrome Incidence:
<2.0%*
Severity: SEVERE
Onset: DELAYED
Ringing In Ears Incidence:
<2.0%*
Severity: MILD
Onset: DELAYED
Shaking Incidence:
<2.0%*
Severity: MILD
Onset: EARLY
Hives Incidence:
<2.0%*
Severity: MILD
Onset: RAPID
Postural Low Blood Pressure Incidence:
0.4%*
Severity: MODERATE
Onset: DELAYED
Flushing Incidence:
0.6-0.8%*
Severity: MILD
Onset: RAPID
Low Blood Pressure Incidence:
0.7-2.5%*
Severity: MODERATE
Onset: RAPID
Upset Stomach Incidence:
0.9-2.7%*
Severity: MILD
Onset: EARLY
Headache Incidence:
1.2-12.1%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
1.2-4.7%*
Severity: MILD
Onset: EARLY
Slow Heart Beat Incidence:
1.2-1.4%*
Severity: SEVERE
Onset: RAPID
Heart Block Incidence:
1.2-1.7%*
Severity: SEVERE
Onset: EARLY
Swelling Incidence:
1.7-3.0%*
Severity: MODERATE
Onset: DELAYED
Heart Failure Incidence:
1.8%*
Severity: SEVERE
Onset: DELAYED
Fluid In Lungs Incidence:
1.8%*
Severity: SEVERE
Onset: EARLY
Fluid Retention Incidence:
3.7%*
Severity: MODERATE
Onset: DELAYED
Constipation Incidence:
7.3-11.7%*
Severity: MODERATE
Onset: DELAYED
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Verapamil Hydrochloride 2.5mg/ml Solution for Injection

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Major Lifestyle Interaction
Grapefruit juice and Verapamil Hydrochloride 2.5mg/ml Solution for Injection(Verapamil Hydrochloride)
Grapefruit juice and Verapamil Hydrochloride(Verapamil Hydrochloride)
Avoid taking Verapamil with grapefruit juice. Grapefruit juice and grapefruit-containing foods may increase the effects of Verapamil. If your heart rate or blood pressure drops too low while taking this medicine, you may become dizzy or feel faint; do not stand or sit up too quickly. Contact your prescriber if you have dizziness which does not go away while taking this medicine. If you notice new or increased swelling of your legs or ankles, tell your health care provider.
Moderate Lifestyle Interaction
Marijuana and Verapamil Hydrochloride 2.5mg/ml Solution for Injection(Verapamil Hydrochloride)
Marijuana and Verapamil Hydrochloride(Verapamil Hydrochloride)
Verapamil can theoretically decrease the elimination of Marijuana, Medical from the body. Side effects from Marijuana, Medical may worsen if you take Verapamil. You may feel drowsy or more tired. Do not drive or operate machinery until you know how these drugs affect you. Contact your health care provider immediately if you notice slurred speech, confusion, increases heart rate, or palpitations while taking Marijuana, Medical.
Moderate Lifestyle Interaction
Alcohol and Verapamil Hydrochloride 2.5mg/ml Solution for Injection(Verapamil Hydrochloride)
Alcohol and Antihypertensives(Verapamil Hydrochloride)
Although an interaction is possible, Ethanol (alchohol) and Antihypertensive Agents (drugs used to reduce high blood pressure) may be used together. Ethanol or alchohol-containing beverages may increase the effects of Antihypertensive Agents on your blood pressure. If the blood pressure drops too low while taking Ethanol and Antihypertensive Agents, you may become dizzy or feel faint. To limit this interaction, avoid alcohol-containing beverages while taking medicines to lower your blood pressure. Do not stand or sit up too quickly. Contact your prescriber if you have dizziness which does not go away.
Minor Lifestyle Interaction
Caffeine-containing Foods/Beverages and Verapamil Hydrochloride 2.5mg/ml Solution for Injection(Verapamil Hydrochloride)
Caffeine-containing Foods/Beverages and Verapamil Hydrochloride(Verapamil Hydrochloride)
Although an interaction is possible, these drugs are often used together. Side effects from Caffeine may get worse if you take Verapamil. Too much Caffeine can cause effects like nausea, nervousness, or sleeplessness. You may need to limit your Caffeine intake. Common foods and beverages containing caffeine include coffee, teas, colas and chocolate. Many non-prescription drugs and diet aids may also contain caffeine.
Pregnancy & Lactation Information
FIRST Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

SECOND Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

THIRD Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Lactation

Caution - Not enough information is available to rule out harm to infants when this drug is taken by nursing mothers.


Learning More About
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