Neurology

100 · 300 · 400 · 600mg

Gabapentin hard capsules from 100mg to 600mg, used in the management of epilepsy and neuropathic pain. A structural analogue of GABA.

25 · 50 · 100 · 200mg

Lamotrigine 25mg to 200mg, as plain and dispersible tablets, used in the management of epilepsy and bipolar disorder. It blocks voltage-gated sodium channels.

25 · 50 · 100mg

Topiramate 25mg, 50mg and 100mg film-coated tablets, used in the management of epilepsy and migraine prophylaxis. It acts on several channels at once.

25 · 50 · 100mg

Sumatriptan 25mg, 50mg and 100mg tablets, used for migraine and cluster headache. A 5-HT1 agonist that narrows the intracranial blood vessels.

5 · 10mg

Flunarizine 5mg and 10mg tablets, used for migraine prophylaxis. A calcium channel blocker taken between attacks rather than during one.

8 · 16 · 24mg

Betahistine 8mg, 16mg and 24mg tablets, used for Meniere's disease, vertigo, tinnitus and hearing loss. A histamine analogue acting in the inner ear.

5 · 10mg

Rizatriptan 5mg and 10mg tablets, used for migraine. A selective 5-HT1B/1D agonist that constricts the intracranial blood vessels.

5mg

Zolmitriptan 5mg as a nasal spray for migraine, a triptan taken through the nose when swallowing a tablet is difficult.

5 · 10mg

Donepezil 5mg and 10mg tablets, film-coated and orodispersible, used in the management of Alzheimer's disease. A reversible cholinesterase inhibitor.

5 · 10mg

Memantine 5mg and 10mg film-coated tablets, used in the management of Alzheimer's disease. An uncompetitive NMDA receptor antagonist.

0.25 · 0.5 · 1 · 2mg

Ropinirole 0.25mg to 2mg, as film-coated and prolonged-release tablets, used in the management of Parkinson's disease and restless legs syndrome.

0.125 · 0.25 · 0.5mg

Pramipexole 0.125mg, 0.25mg and 0.5mg tablets, used in the management of Parkinson's disease and restless legs syndrome. A non-ergot dopamine agonist.

10/100 · 25/100 · 25/250mg

Carbidopa with levodopa in three tablet strengths, plain and prolonged-release, used in the management of Parkinson's disease. A precursor with its protector.

100 · 200mg

Modafinil 100mg and 200mg tablets, used in the management of narcolepsy. A wakefulness promoter acting on dopamine availability centrally.

20 · 30 · 40 · 60mg

Duloxetine prolonged-release capsules from 20mg to 60mg, used in the management of depression, generalised anxiety and diabetic neuropathic pain. An SNRI.

10 · 25 · 50mg

Amitriptyline 10mg, 25mg and 50mg tablets, used in the management of major depression, neuropathic pain and migraine prophylaxis. A tricyclic.

10 · 20 · 40 · 80mg

Propranolol from 10mg to 80mg, as tablets and modified-release capsules, used in the management of hypertension, angina, migraine and essential tremor.

40mg

Inderal LA is propranolol 40mg in a modified-release capsule for hypertension, angina, migraine prophylaxis and essential tremor. Both beta-1 and beta-2.

10 · 18 · 25 · 40mg

Atomoxetine hard capsules from 10mg to 40mg, used in the management of attention deficit hyperactivity disorder. A noradrenaline reuptake inhibitor.

5 · 10mg

Selegiline 5mg and 10mg tablets, used in the management of Parkinson's disease. An irreversible MAO-B inhibitor, so dopamine survives longer.

400 · 800mg

Piracetam 400mg and 800mg film-coated tablets, used in the management of myoclonus. A pyrrolidone derivative acting on neuronal membrane fluidity.

100mg

Phenytoin 100mg tablets, used in the management of tonic-clonic and focal seizures. A hydantoin that stabilises the membrane of the neurone.

150 · 300 · 600mg

Oxcarbazepine 150mg, 300mg and 600mg film-coated tablets, used in the management of epilepsy. It blocks voltage-sensitive sodium channels.

125 · 250 · 500mg

Valproic acid 125mg, 250mg and 500mg gastro-resistant tablets, used in the management of epilepsy and bipolar disorder. GABA levels rise under it.

250 · 500 · 750mg

Valparin is valproic acid 250mg, 500mg and 750mg tablets for epilepsy, bipolar disorder and migraine prophylaxis. GABA rises, sodium channels close.

60mg

Pyridostigmine 60mg tablets, used in the management of myasthenia gravis. It blocks acetylcholinesterase, so acetylcholine lingers at the junction.

100 · 200 · 400mg

Carbamazepine 100mg, 200mg and 400mg tablets, used in the management of epilepsy and trigeminal neuralgia. It blocks voltage-gated sodium channels.

2mg

Trihexyphenidyl 2mg tablets, used in the management of Parkinson's disease and drug-induced extrapyramidal symptoms. A muscarinic receptor antagonist.

25/100/200mg

Carbidopa, levodopa and entacapone in one film-coated tablet, used in the management of Parkinson's disease. A precursor with two enzyme blockers.

250mg

Primidone 250mg tablets, used in the management of epilepsy. A barbiturate metabolised to phenobarbital and phenylethylmalonamide.

5mg

Procyclidine 5mg tablets, used in the management of parkinsonism and drug-induced extrapyramidal symptoms. A centrally acting antimuscarinic.

2.5mg

Bromocriptine 2.5mg tablets, used in the management of Parkinson's disease, hyperprolactinaemia and acromegaly. An ergot-derived D2 agonist.

100mg

Amantadine 100mg film-coated tablets, used for Parkinson's disease and influenza A. An adamantane that lifts dopamine transmission and blocks NMDA.

1.5 · 3mg

Rivastigmine 1.5mg and 3mg hard capsules, used in the management of Alzheimer's dementia and Parkinson's disease dementia. A cholinesterase inhibitor.

4 · 8mg

Galantamine 4mg and 8mg tablets, used in the management of Alzheimer's disease. A cholinesterase inhibitor that also modulates nicotinic receptors.

25/100mg

Sinemet CR is carbidopa with levodopa 25/100mg in a modified-release tablet for Parkinson's disease, spreading the dose across a longer period.

250 · 750mg

Valproic acid 250mg and 750mg soft capsules, used in the management of epilepsy, bipolar disorder and migraine prophylaxis. It raises GABA in the brain.

125 · 250 · 500mg

Divalproex 125mg, 250mg and 500mg prolonged-release tablets, used in the management of epilepsy and bipolar disorder. Sodium valproate with valproic acid.

20 · 40mg

Metoprolol 20mg and 40mg tablets, used in the management of hypertension, angina pectoris and arrhythmia. A selective beta-1 receptor antagonist.