Water for injection

Generic Name

Water for Injection

Other Names

• Sterile Water for Injection

Drug Class

• Solvent
• Parenteral preparation

Chemical Formula

H2O

Molecular Weight

18.015 g/mol

Mechanism of Action

• Serves as a vehicle or diluent for pharmaceutical products

Indications

• Used as a vehicle for the preparation of pharmaceutical products
• Used for dilution purposes in parenteral medication administration

Common Dosage Forms

• Single-dose vials
• Ampules

Typical Dosage

• Dosage is patient-specific and depends on the medication being dissolved or diluted

Pediatric Dosage

• Dosage varies based on the specific pediatric medication being reconstituted

Geriatric Dosage

• Dosage adjustments may be needed based on the geriatric patient's health status

Side Effects

• Hypersensitivity reactions in rare cases
• Local reactions at the injection site if given intravenously

Contraindications

• Known hypersensitivity to water for injection

Pregnancy Category

• Not applicable as it is not a drug

Lactation Safety

• Considered safe for use during breastfeeding

Drug Interactions

• No known drug interactions with water for injection

Overdose Symptoms

• Excessive water intake can lead to water intoxication (hyponatremia)

Antidote for Overdose

• Treatment involves managing electrolyte imbalances and fluid status

Storage Conditions

• Store at room temperature (15-30°C)
• Protect from light
• Do not freeze

Pharmacokinetics

• Absorption: N/A (administered by injection)
• Distribution: N/A (administered by injection)
• Metabolism: N/A (administered by injection)
• Excretion: Excreted unchanged via renal elimination

Precautions

• Use with caution in patients with fluid or electrolyte imbalances

Warnings

• Only for parenteral administration
• Inspect for particulate matter and discoloration before use

Others

• Water for Injection is an essential component in pharmaceutical compounding and parenteral administration.