Answer:
1. Antibiotic-associated diarrhea: This condition is caused by the overuse or misuse of antibiotics, which can lead to the overgrowth of harmful bacteria in the gut, causing diarrhea and other digestive symptoms.
2. Metabolic syndrome: This is a group of conditions that occur together, including high blood pressure, high blood sugar, and abnormal cholesterol levels, which can be caused by certain medications such as corticosteroids and antipsychotics.
3. Medication-induced Parkinsonism: This is a condition that mimics the symptoms of Parkinson's disease and can be caused by certain medications such as anti-psychotics and anti-nausea drugs.
It is important to note that Iatrogenic diseases are adverse effects of medical treatment, it could be caused by errors, illness, or an interaction between medications. It is essential to keep in mind that these diseases can be prevented by being aware of the potential side effects of drugs, and to always inform the doctor about other medications that the patient is taking.