Overview of Medical Treatments: Mechanisms, Uses, and Effectiveness by Category

1. Pharmacotherapy

• Antibiotics: Bactericidal or bacteriostatic; treat bacterial infections (pneumonia, UTIs, strep).
• Antivirals: Inhibit viral replication; used for influenza, herpes, HIV, hepatitis.
• Antifungals: Target fungal cell walls/membranes; treat candidiasis, dermatophytosis, systemic mycoses.
• Antiparasitics: Eliminate protozoa, helminths, ectoparasites (malaria, helminthiasis).
• Analgesics/Anti-inflammatories: NSAIDs (ibuprofen, naproxen) for pain/inflammation; opioids for severe pain.
• Chemotherapeutics: Cytotoxic agents targeting rapidly dividing cells; backbone of cancer treatment.
• Immunotherapy: Checkpoint inhibitors, CAR-T cells, cytokines—harness immune system against cancer.
• Hormone therapy: Block or modulate hormone receptors (tamoxifen, aromatase inhibitors, androgen deprivation).

2. Surgery

• Excision of tumors, infected tissue, or damaged organs (appendectomy, cholecystectomy).
• Transplantation (kidney, liver, heart, lung, pancreas) for end-stage organ failure.

3. Radiation Therapy

Ionizing radiation damages cancer cell DNA; used curatively, adjuvantly, or palliatively.

4. Physical Therapy

Exercise, manual therapy, modalities to restore mobility, strength, and function after injury/surgery.

5. Psychotherapy

CBT, DBT, psychodynamic, EMDR—effective for depression, anxiety, PTSD, OCD, personality disorders.

Effectiveness Factors

Disease type/stage, patient comorbidities, adherence, genetics, access to care, and multidisciplinary coordination all influence outcomes. Shared decision-making with a qualified clinician is essential.