Here is a detailed, brand-free overview of Lithium Tablet 300 mg:
๐ Lithium Carbonate Tablet 300 mg
โ DESCRIPTION
Lithium carbonate 300 mg is a mood stabilizer primarily used in the treatment and prevention of bipolar disorder. It helps reduce the frequency and severity of manic episodes and can also be effective in treating depressive episodes. Lithium acts on multiple neurotransmitter systems and intracellular signaling pathways.
๐งช FORMULATION
- Active Ingredient: Lithium carbonate โ 300 mg per tablet
- Dosage Form: Oral tablet (typically film-coated)
- Route of Administration: Oral
- Equivalent Lithium Ion: 300 mg lithium carbonate โ 8.12 mEq lithium ion
๐ฟ NATURE
- Pharmacological Class: Antimanic agent / Mood stabilizer
- Mechanism of Action:
Lithium affects serotonin and norepinephrine reuptake, second messenger systems (like IP3 and cAMP), and stabilizes neuronal firing. It also modulates gene expression and neuroprotective pathways.
๐ก USES
โ Therapeutic Indications:
- Bipolar Disorder (acute mania and long-term maintenance)
- Schizoaffective Disorder
- Augmentation in treatment-resistant depression
- Aggression and impulsivity in some neuropsychiatric conditions
โ Off-label:
- Cluster headaches prevention
- Borderline personality disorder (select cases)
๐ ADVANTAGES
- Gold standard mood stabilizer in bipolar disorder
- Reduces suicidal behavior risk
- Effective for both manic and depressive phases
- Can be used long-term under monitoring
โ ๏ธ PRECAUTIONS
๐ธ Common Side Effects:
- Nausea, tremor, increased thirst, frequent urination
- Weight gain, mild cognitive dulling
- Hand tremors
๐น Serious Risks:
- Lithium toxicity (narrow therapeutic window)
- Renal impairment
- Thyroid dysfunction (hypothyroidism or goiter)
- Hypercalcemia / Hyperparathyroidism
๐ซ Contraindications:
- Severe renal or cardiovascular disease
- Dehydration, sodium depletion
- Use with diuretics, NSAIDs, ACE inhibitors (increase lithium levels)
- Pregnancy (especially 1st trimester โ teratogenic risk)
โ ๏ธ Monitoring Required:
- Serum lithium levels (target 0.6โ1.2 mEq/L for maintenance)
- Kidney function tests (serum creatinine, BUN)
- Thyroid function (TSH)
- Calcium levels
- Maintain adequate hydration and sodium intake
๐ง STORAGE
- Store at 15ยฐC to 30ยฐC
- Protect from moisture and light
- Keep in original, tightly closed container
- Keep out of reach of children

