Drug Class: Tricyclic Antidepressant (TCA) | Form: Tablets | Prescription Status: Prescription-Only (Rx) — DRAP Registered
What is Prothiaden 25mg?
Prothiaden 25mg is a prescription tablet containing Dosulepin Hydrochloride 25mg — a tricyclic antidepressant (TCA) used to treat depression, anxiety, and chronic nerve pain (ذہنی دباؤ، اضطراب، اور اعصابی درد کا علاج). It works by increasing the levels of natural mood-regulating chemicals — noradrenaline and serotonin — in the brain, helping to stabilise mood, reduce anxiety, and restore emotional balance. Prothiaden also has mild sedative properties, which can be particularly helpful for patients whose depression is accompanied by sleep disturbance or significant anxiety. It is usually taken at night due to these calming effects. A valid prescription from a doctor is required before use.
What is Prothiaden 25mg Used For?
- Depression (ذہنی افسردگی) — treatment of major depressive disorder, including depression accompanied by anxiety, low mood, and loss of interest in daily activities
- Anxiety with Depression — persistent worry, nervousness, and tension occurring alongside depressive symptoms
- Chronic Neuropathic Pain (اعصابی درد) — long-term nerve pain causing burning, tingling, or shooting sensations — particularly where standard painkillers have not provided adequate relief
- Sleep Disturbance Related to Depression — difficulty falling or staying asleep as a symptom of underlying depression
How Does Prothiaden 25mg Work?
Mood Stabilisation: Dosulepin blocks the reuptake of noradrenaline and serotonin — two key brain chemicals that regulate mood, motivation, and emotional wellbeing. By keeping these chemicals active in the brain for longer, Prothiaden gradually improves mood, reduces anxiety, and restores a more balanced emotional state. Full antidepressant benefit typically develops over 2 to 4 weeks of regular use — it is important to continue treatment even if improvement feels slow in the early days.
Pain Relief: Dosulepin also modifies pain signal pathways in the nervous system — reducing the intensity of chronic nerve pain independently of its antidepressant effect. This makes it useful for neuropathic pain conditions even in patients who are not depressed.
Sedative Effect: Prothiaden has a calming, sedative action that helps reduce agitation and improve sleep — making evening or bedtime dosing the most practical and comfortable approach for most patients.
Dosage and Administration
| Patient | Dose | Frequency | Timing |
|---|---|---|---|
| Adults — Depression | 75mg daily (in divided doses or as single dose) | As prescribed | Preferably at night |
| Adults — Nerve Pain | 25–75mg daily | As prescribed by doctor | Preferably at night |
| Elderly patients | Lower starting dose — as directed | With caution | At night |
| Children | Not recommended | — | — |
Always take exactly as prescribed by your doctor. Do not stop Prothiaden suddenly without medical advice — the dose must be reduced gradually to avoid withdrawal symptoms. Driving or operating machinery is not recommended until you know how this medicine affects you.
Side Effects
Common: Drowsiness and sedation (most noticeable in early treatment), dry mouth, blurred vision, constipation, difficulty urinating, dizziness on standing up, weight gain, and increased sweating.
Less Common: Rapid or irregular heartbeat, tremor, confusion — particularly in elderly patients — and increased sensitivity of skin to sunlight.
Serious — stop and consult your doctor immediately if you notice: Chest pain or irregular heartbeat, seizures (fits), severe confusion or agitation, difficulty passing urine, or worsening of depression or new thoughts of self-harm — particularly in the early weeks of treatment.
Important: Antidepressants including Dosulepin may increase the risk of suicidal thoughts in younger adults during the initial weeks of treatment. Your doctor will monitor you closely during this period — always report any worsening of mood or distressing thoughts to your doctor immediately.
Who Should NOT Use Prothiaden 25mg?
- Known allergy to Dosulepin Hydrochloride or any other ingredient in the tablet
- Recent heart attack or any serious heart rhythm disorder
- Current use of MAO inhibitor medicines (MAOIs) — or within 14 days of stopping an MAOI — this combination is dangerous
- Severe liver disease
- Glaucoma (raised eye pressure) or urinary retention
- Children and adolescents under 18 years
- Pregnancy and breastfeeding — consult your doctor before use
Active Ingredients
| Ingredient | Role |
|---|---|
| Dosulepin Hydrochloride 25mg | Active ingredient — tricyclic antidepressant and analgesic |
| Sucrose, Maize Starch | Tablet base and filler — note: contains sucrose |
| Povidone, Calcium Phosphates | Binders for tablet structure and stability |
| Talc, Magnesium Stearate | Flow and lubrication excipients |
Storage Instructions
- Store below 25°C in a cool, dry place away from direct sunlight and moisture
- Keep out of reach of children (بچوں کی پہنچ سے دور رکھیں)
- Do not use after the expiry date printed on the pack
- Store in original packaging to protect from light and humidity
⚕️ Medical Disclaimer: This information is for general guidance only and does not replace your doctor's advice. Prothiaden 25mg is a prescription antidepressant — always use exactly as directed by your doctor. Never stop or adjust the dose without medical supervision. If you or someone you know is experiencing a mental health crisis, please seek immediate medical help.
DRAP Registered | Prescription-Only (Rx) | Contains Sucrose | For oral use only