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# Meftal-Spas
## Overview
Meftal-Spas is a combination medication containing **Mefenamic Acid** (a non-steroidal anti-inflammatory drug, NSAID) and **Dicyclomine** (an antispasmodic/anticholinergic). It acts by inhibiting prostaglandin synthesis and relaxing smooth muscle in the gastrointestinal and urogenital tracts.
## Primary Indications
* Management of dysmenorrhea (menstrual cramps).
* Symptomatic relief of gastrointestinal spasms and abdominal pain.
## Adult Dosing
Standard oral dose is **1 tablet (Mefenamic acid 250mg / Dicyclomine 10mg)** every 8 hours as needed.
* **Maximum Dose:** Do not exceed 3 tablets per day (750mg Mefenamic acid/30mg Dicyclomine) unless directed by a physician. Use for the shortest duration necessary, typically not exceeding 3 days.
## Pediatric Dosing
* **Children (under 12 years):** Use is generally **not recommended** due to lack of established safety data for the combination. Dicyclomine carries a risk of serious respiratory/neurological adverse effects in infants.
* **Adolescents (12+ years):** Follow adult dosing if clinically indicated, provided there are no contraindications.
## Dose Adjustments
* **Renal Impairment:** Avoid if creatinine clearance is <30 mL/min due to the Mefenamic acid component. Use with caution in mild-to-moderate impairment.
* **Hepatic Impairment:** Use with caution; Mefenamic acid can cause hepatotoxicity.
* **Geriatric Patients:** Increased sensitivity to anticholinergic effects (dizziness, confusion, urinary retention, dry mouth). Start at the lowest effective dose.
## Contraindications
* Hypersensitivity to Mefenamic acid, aspirin, other NSAIDs, or Dicyclomine.
* History of GI bleeding, peptic ulcer disease, or inflammatory bowel disease (ulcerative colitis/Crohn’s).
* Severe renal or hepatic impairment.
* Glaucoma, obstructive uropathy, intestinal obstruction, or paralytic ileus.
* Treatment of perioperative pain in the setting of coronary artery bypass graft (CABG) surgery.
## Adverse Effects
* **Common:** Dry mouth, blurred vision, dizziness, somnolence, nausea, abdominal pain.
* **Serious:** GI ulceration/perforation, hypertension, acute renal failure, fluid retention, hepatotoxicity, and anaphylaxis.
* **Anticholinergic:** Tachycardia, urinary retention, and constipation.
## Key Drug Interactions
* **Anticoagulants (e.g., Warfarin):** Increases risk of severe GI bleeding.
* **Other NSAIDs/Aspirin:** Increases risk of gastric ulceration and renal toxicity.
* **Antihistamines/Tricyclic Antidepressants:** May potentiate the anticholinergic effects of Dicyclomine.
* **Diuretics:** Decreased efficacy and increased renal risk.
## Monitoring
* Monitor blood pressure if on chronic therapy.
* Monitor renal function (BUN/Serum Creatinine) in high-risk patients.
* Observe for signs of GI intolerance (dark/tarry stools, abdominal pain).
## Clinical Pearls
* **Take with food** to mitigate the gastric irritation caused by Mefenamic acid.
* Advise patients to avoid heavy machinery or driving if they experience drowsiness or blurred vision (due to Dicyclomine).
* **Avoid alcohol:** Alcohol increases the risk of GI irritation and exacerbates the CNS depressant effects of the medication.
* Dicyclomine is contraindicated in patients with myasthenia gravis or unstable cardiovascular status in acute hemorrhage.
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**Educational Disclaimer:** This information is for educational purposes and is not a substitute for professional medical judgment. Prescribing practices vary by region and clinical context. Always verify dosages and contraindications against current local prescribing information, package inserts, and hospital protocols before administration.
