Drotaverine HCL Injection

Product/Composition:- Drotaverine HCL Injection
Strength:- 40mg, 80mg
Form:- Injection
Production Capacity:- 1 Million Injection/Month
Therapeutic use:- Analgesic
Package Insert/Leaflet:- Available upon request
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What is Drotaverine HCL Injection?

Overview

Drotaverine HCL Injection is a medicine that relaxes and stops spasms in smooth muscles.

It is mostly used to treat pain and spasms that come from different gastric, biliary, urinary, and gynecological conditions.

As a synthetic isoquinoline, it stops phosphodiesterase-4 (PDE-4). This action helps relax smooth muscle.

People who need immediate care often choose the injectable form because it works quickly and effectively to control moderate to severe spasmodic pain.

Description

  • Drug Class: Isoquinoline derivative antispasmodic

  • Mode of Action: Phosphodiesterase-4 inhibitor

  • Administration Route: Intramuscular (IM) or slow Intravenous (IV) injection

  • Form: Injectable solution, often in 2 ml ampoules with a concentration of 40 mg/ml

  • Onset of Action: Expeditious (within 5–10 minutes)

  • Duration of Action: 2 to 4 hours, contingent upon the dosage and administration route

Uses of Drotaverine HCL Injection

Uses

  • Renal colic: Pain caused by kidney stones obstructing the urinary tract

  • Biliary colic: Pain due to gallstones or biliary tract obstruction

  • Intestinal colic: Cramping pain in the intestines

  • Dysmenorrhea: Menstrual cramps

Indications

Irritable Bowel Syndrome (IBS).

Ureteric spasm.

Gallbladder dysfunction.

Gastroenteritis associated cramps.

Endometriosis and other gynecological spasm disorders.

Drug Interactions

  • Levodopa: Lowers the effectiveness of levodopa and may make Parkinson’s symptoms worse.

  • Anticholinergic drugs: It may make the effects of antispasmodic medications and side effects worse.

  • Antihypertensives: Some of them may make the benefits of lowering blood pressure even stronger

  • Intoxicants: Alcohol and sedatives may make you more likely to get dizzy and low blood pressure.

  • CYP450 substrates: Be careful when mixing with drugs that are broken down by CYP enzymes.

Benefits

An immediate remedy for gynecological, renal, or abdominal spasms.

It does not have a sedative effect, unlike other pain relievers.

Different from other antispasmodics, there are no anticholinergic side effects.

Intended for supervised, long-term usage in patients with chronic disorders.

It helps those whose lives are plagued by gastrointestinal problems live better.

Side Effects

  • Injection site irritation or pain

  • Nausea

  • Dizziness

  • Headache

  • Dry mouth

  • Feeling of warmth or flushing

Dosage Guidelines

  • How to Use / How to Take

Before you use the vial, check it for any stains or particles.

If the manufacturer instructs, shake it.

Clean the needles and syringes.

Do not mix with other injectable drugs unless told to do so.

After opening, discard any unused portion safely.

  • Direction for Use

Adults: 40–80 mg, each dosage administered via intramuscular or slow intravenous route, up to three times daily.

Maximum Daily Dose: Typically not exceeding 240 mg.

Children: Injectable form is not advised unless prescribed by a doctor.

  • When Not to Use

Known hypersensitivity to Drotaverine.

Severe liver or kidney impairment.

Cardiogenic shock or severe heart failure.

Hypotension or severe arterial disease.

How Does Drotaverine Work?

Drotaverine specifically stops the enzyme phosphodiesterase-4 (PDE-4), which raises the amount of cyclic AMP (cAMP) in smooth muscle cells.

Because of this rise in cAMP, intracellular calcium levels drop, which makes the smooth muscles soften.

This action helps ease painful spasms, mostly in the uterus, gallbladder, intestines, and urinary system.

Unlike anticholinergic drugs, Drotaverine doesn’t affect the parasympathetic nervous system. This means that it can relax muscles without causing any side effects.

Concerns

IV administration should be constantly monitored due to the danger of a sudden reduction in blood pressure.

Long-term use should be properly overseen to avoid liver or gastrointestinal adverse effects.

May conceal indications of significant underlying diseases. Delaying diagnosis

Warnings

It should be used with caution in people with low blood pressure.

It serves not as a substitute for surgical intervention in acute obstructions.

Avoid use throughout early pregnancy unless clearly necessary.

Caution for people with heart rhythm abnormalities.

Precautions

Watch the vital signs while the IV is being given.

Stay away from drinking booze.

Before using, if you are pregnant or breastfeeding, talk to your doctor.

Not good for kids unless specifically told to do so

Avoid operating heavy machinery post-injection

Special Dietary & Lifestyle Recommendations

Drotaverine HCL Injection can be more successful for spasmodic pain if food and lifestyle changes are made.

A light diet that is easy to digest and low in fat helps your gut. It has high fiber, which keeps things moving and prevents constipation.

This can reduce cramping. Eat less hot, oily, and processed foods to avoid stomach cramps.

In cases of urinary or kidney disease, staying hydrated helps eliminate toxins and sustain smooth muscle activity.

Reduce coffee and alcohol intake to avoid dehydration and gastrointestinal irritation.

Lifestyle changes, including yoga, meditation, and light exercise, can minimize stress-induced muscular spasms.

Regular sleep and avoiding idleness improve health and minimize cramps.

General Instructions

Use only with medical supervision.

Avoid self-injection or reusing needles.

Do not combine with other injectable drugs without consultation.

Please report any allergic reactions or negative effects promptly.

Even if your symptoms improve, continue taking the recommended amount.

What Else Can I Do to Help My Condition?

In addition to Drotaverine HCL Injection, as suggested by your doctor, many supporting measures can improve your situation.

Be sure to drink a lot of water. This helps keep your urine and stomach systems in good shape. Also, eat a balanced diet with plenty of fiber.

It can reduce stomach spasms. Avoid hot, greasy, or gas-producing foods, which can increase abdominal pain.

Relaxation practices, including deep breathing, yoga, and meditation, can reduce muscle spasms caused by stress.

Reducing spasms via improving digestion and circulation through regular exercise. A warm compress on the lower belly and mild stretching may help ladies with menstrual cramps.

Keeping a symptom diary might help you monitor your health. Also, attending follow-up appointments is important.

Discussing any changes with your doctor can personalize your treatment. This all leads to better outcomes.

Comparison with Other Treatments

Hyoscine (Buscopan) has more anticholinergic side effects, such as dry mouth and blurred vision. If you are sensitive to these effects, Drotaverine is a better choice.

Drotaverine works faster than Mebeverine and treats more conditions. In contrast, Mebeverine is mainly for IBS and takes longer to kick in.

NSAIDs may ease pain, but they don’t stop muscle cramps. Drotaverine goes after the real problem, which is muscle tension.

Papaverine and Drotaverine both work in similar ways, but Drotaverine is stronger, better accepted, and lasts longer.

Can I Use It With Other Medications?

Antibiotics (for infections causing spasms).

Antacids and proton pump inhibitors.

NSAIDs for additional pain relief.

Antiemetics like domperidone.

Storage Information

Maintain storage at temperatures below 25°C

Shield against illumination and humidity

Retain in original packaging

Refrain from freezing

Maintain out of children’s reach

Safely dispose of unused solution