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# Meftal Spas ## Overview Meftal Spas is a combination product containing mefenamic acid, a nonsteroidal anti-inflammatory drug (NSAID), and dicyclomine hydrochloride, an anticholinergic antispasmodic. ## Primary Indications * Symptomatic relief of mild to moderate pain associated with smooth muscle spasms, particularly in conditions like dysmenorrhea and gastrointestinal disorders. ## Adult Dosing * **Mefenamic Acid:** 500 mg orally every 8 hours as needed for pain. * **Dicyclomine Hydrochloride:** 20 mg orally every 8 hours as needed for spasms. * The combination product typically provides these doses per tablet or capsule. * Maximum duration of use for mefenamic acid is generally 7 days. * Maximum dose for dicyclomine is typically 80 mg per day. ## Pediatric Dosing * Dosing for Meftal Spas in pediatric populations is not well-established. Mefenamic acid is generally not recommended for children under 14 years of age for more than short-term use. Dicyclomine should be used cautiously in pediatric patients due to potential for anticholinergic side effects. Consult specific pediatric guidelines or a pediatrician for appropriate management. ## Dose Adjustments * **Renal Impairment:** Mefenamic acid should be used with caution and potentially at reduced doses in patients with significant renal impairment due to the risk of NSAID-induced nephrotoxicity. * **Hepatic Impairment:** Mefenamic acid should be used with caution in patients with hepatic impairment. * **Elderly:** Elderly patients may be more susceptible to the adverse effects of NSAIDs, including gastrointestinal bleeding and renal effects. ## Contraindications * Hypersensitivity to mefenamic acid, dicyclomine, or other NSAIDs. * History of asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs. * Inflammatory bowel disease. * Obstructive uropathy or gastrointestinal obstruction. * Myasthenia gravis. * Severe renal or hepatic impairment. * Active gastrointestinal bleeding or perforation. * Pregnancy (especially third trimester). * Breastfeeding. ## Adverse Effects * **Mefenamic Acid:** Gastrointestinal upset (nausea, vomiting, diarrhea, abdominal pain), dyspepsia, heartburn, dizziness, headache, drowsiness, rash, potential for renal toxicity, increased risk of cardiovascular thrombotic events, and serious gastrointestinal bleeding or perforation. * **Dicyclomine Hydrochloride:** Dry mouth, blurred vision, urinary retention, constipation, drowsiness, dizziness, confusion, and in severe cases, hallucinations or exacerbation of glaucoma. ## Key Drug Interactions * **NSAIDs:** Increased risk of gastrointestinal bleeding when used with other NSAIDs, corticosteroids, anticoagulants (e.g., warfarin), or selective serotonin reuptake inhibitors (SSRIs). * **Antihypertensives:** NSAIDs can reduce the effectiveness of antihypertensive medications. * **Diuretics:** Increased risk of renal impairment. * **Lithium:** NSAIDs can increase serum lithium levels. * **Methotrexate:** NSAIDs can increase methotrexate toxicity. * **Anticholinergics:** Additive anticholinergic effects when used with other agents possessing anticholinergic properties (e.g., tricyclic antidepressants, antihistamines). ## Monitoring * Monitor for signs of gastrointestinal bleeding (e.g., melena, hematemesis). * Monitor renal function, especially in patients with pre-existing renal disease or those on concomitant nephrotoxic agents. * Monitor for signs of hypersensitivity reactions. * Monitor for efficacy and adverse effects of dicyclomine (e.g., dry mouth, blurred vision, urinary retention). ## Clinical Pearls * Meftal Spas should be taken with food or milk to minimize gastrointestinal upset. * Due to the anticholinergic effects of dicyclomine, patients should be advised about potential risks such as impaired judgment, blurred vision, and difficulty urinating, especially when operating machinery or driving. * The duration of treatment should be as short as possible and guided by patient response. * Avoid concurrent use of other NSAIDs or salicylates. *** *Please verify the current prescribing information for the most up-to-date and comprehensive details before making clinical decisions.*