Psychology 9-1 GCSE - 

3.1.8 - The use of drugs as a treatment, including strengths and weaknesses of each treatment:

a) Depression - 

Selective serotonin re-uptake inhibitors (SSRI's) increase the levels of serotonin in the brain by preventing the re-uptake of it -

Pros - 

• Less weight gain.
• Lower rates of withdrawal symptoms.

Cons - 

• Higher rates of withdrawal and sexual problems.
• Higher rates of diarrhoea.
• Increased risk of stomach bleeding.

Serotonin Norepinephrine re-uptake inhibitors (SNRI's) block the re-uptake of two neurotransmitters, serotonin and norepinphine, elevating the concentration in the nerve synapse to help elevate mood or treat other conditions -

Pros - 

• Once a day dosing.
• More effective in difficult to treat depression.
• Approved to treat pain symptoms.

Cons -

• May cause nausea and vomiting within the first week.
• May increase blood pressure.

b) Addiction - 

Benzpdoazepines - 

Pros -

• Reduce anxiety and irritability. 
• Have a sedative effect which helps to ease alcohol withdrawals.

Cons - 

• Addictive.

Antidepressants - 

Pros - 

• Helps them start naturally producing 'happiness chemicals' again.

Clondine - 

• Reduces sweating.
• Reduces cramps.
• Reduces muscle aches.
• Reduces anxiety
• Stops tremors and seizures.