Hello thanks for asking from HCM Lithosun SR consists of Lithium carbonate. The drug is a mood stabiliser and it can cause nausea, giddiness, vomiting, ataxia, diarrhoea, sedation, tremors, slurred speech, poor balance as side effect. The drug have narrow therapeutic index and it can precipitate serious toxicity in event of poor fluids in body. Tancodep is Diazepam and Imipramine. Diazepam is a benzodiazepine drug. Imipramine is a tricyclic antidepressant. It is known to cause sedation, weight gain, increased appetite, dry mouth, blurred vision, constipation, restlessness, abdominal pain as side effects. It can raise BP also. Rivotril is clonazepam, ativan is lorazepam. Both are benzodiazepines. These drugs can cause sedation, increased sleepiness, nausea, dizziness, poor concentration as side effects. The drugs are known to cause dependence and have abuse potential. Don t take these drugs for long periods of time as they may result in dependence. Usually depression medicines are given for long periods of time, discontinue the medicines with your psychiatrist s consultation only. Don t self medicate yourself. Thanks, hope this helps you.