Pain Killers
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1. Acetaminophen (Tylenol, Paracetamol)
- Form: Tablet, capsule.
- Availability: Over-the-counter (OTC).
- Use: Mild to moderate pain relief, fever reduction.
- Effects on Health:
- Liver: High doses (over 4,000 mg/day) or chronic use can cause serious liver damage.
- Kidneys: Generally safe for kidneys at recommended doses.
- Stomach: Minimal effects, does not typically cause gastrointestinal issues.
2. Ibuprofen (Advil, Motrin)
- Form: Tablet, capsule.
- Availability: Over-the-counter (OTC); higher doses are prescription-only.
- Use: Inflammatory pain, headaches, muscle aches, arthritis, fever.
- Effects on Health:
- Liver: Minimal effect at recommended doses.
- Kidneys: Long-term or high doses can lead to kidney damage, especially in those with pre-existing kidney conditions.
- Stomach: Can cause irritation, ulcers, and bleeding in the stomach lining, especially with prolonged use.
3. Naproxen (Aleve, Naprosyn)
- Form: Tablet, capsule.
- Availability: Over-the-counter (OTC); higher doses available by prescription.
- Use: Inflammatory pain, arthritis, muscle aches, menstrual cramps.
- Effects on Health:
- Liver: Low risk to the liver at recommended doses.
- Kidneys: Long-term use can lead to kidney damage or failure, especially in individuals with pre-existing kidney problems.
- Stomach: Similar to ibuprofen, it can cause stomach ulcers, irritation, and bleeding.
4. Aspirin (Bayer, Ecotrin)
- Form: Tablet, capsule.
- Availability: Over-the-counter (OTC); low-dose aspirin is often prescribed for heart conditions.
- Use: Pain, fever, anti-inflammatory; low-dose aspirin is used for cardiovascular protection.
- Effects on Health:
- Liver: Minimal impact on the liver at normal doses.
- Kidneys: Prolonged use may impair kidney function in susceptible individuals.
- Stomach: High risk of gastrointestinal irritation, ulcers, and bleeding with long-term use.
5. Diclofenac (Voltaren, Cataflam)
- Form: Tablet, capsule.
- Availability: Prescription only in many countries; topical forms are available OTC.
- Use: Moderate to severe inflammatory pain, arthritis.
- Effects on Health:
- Liver: Rarely causes liver toxicity.
- Kidneys: Prolonged use can lead to kidney problems, similar to other NSAIDs.
- Stomach: High risk of gastrointestinal side effects, including ulcers and bleeding.
6. Celecoxib (Celebrex)
- Form: Capsule.
- Availability: Prescription only.
- Use: Arthritis, inflammatory pain, and chronic pain conditions.
- Effects on Health:
- Liver: Low risk of liver damage.
- Kidneys: Similar risks to other NSAIDs, with possible long-term kidney damage.
- Stomach: Lower risk of stomach ulcers compared to traditional NSAIDs, but still a risk.
7. Tramadol (Ultram)
- Form: Tablet, capsule.
- Availability: Prescription only.
- Use: Moderate to severe pain, often used when NSAIDs are ineffective.
- Effects on Health:
- Liver: Metabolized in the liver but generally safe unless taken in very high doses.
- Kidneys: Can accumulate in those with kidney failure, requiring dose adjustment.
- Stomach: Less gastrointestinal irritation compared to NSAIDs.
8. Codeine
- Form: Tablet, capsule (often combined with acetaminophen or aspirin).
- Availability: Prescription only (some low-dose formulations available OTC in certain countries).
- Use: Moderate pain relief, often combined with other analgesics.
- Effects on Health:
- Liver: Can be dangerous when combined with acetaminophen due to the risk of liver toxicity.
- Kidneys: Requires dose adjustment in kidney impairment.
- Stomach: Can cause nausea, vomiting, and constipation but generally less harmful to the stomach lining than NSAIDs.
9. Oxycodone (OxyContin, Percocet [combined with acetaminophen])
- Form: Tablet, capsule.
- Availability: Prescription only.
- Use: Severe pain relief, often post-surgical or in cancer patients.
- Effects on Health:
- Liver: Risks are higher when combined with acetaminophen (Percocet) due to potential liver toxicity.
- Kidneys: Safe for short-term use but may require dose adjustments for those with kidney disease.
- Stomach: Less gastrointestinal side effects compared to NSAIDs but can cause constipation.
10. Morphine
- Form: Tablet, capsule.
- Availability: Prescription only; hospital use for severe pain.
- Use: Severe pain management, often for chronic conditions or post-surgery.
- Effects on Health:
- Liver: Metabolized by the liver but generally does not cause liver damage.
- Kidneys: Dose adjustments needed for those with kidney impairment; can accumulate in the body.
- Stomach: Can cause nausea, vomiting, and constipation, but no significant impact on the stomach lining.
11. Hydrocodone (Vicodin [combined with acetaminophen])
- Form: Tablet, capsule.
- Availability: Prescription only.
- Use: Moderate to severe pain, often post-surgical.
- Effects on Health:
- Liver: Risk of liver damage when combined with acetaminophen (Vicodin).
- Kidneys: Adjustments needed for those with kidney disease.
- Stomach: Causes fewer stomach issues than NSAIDs, but constipation is a common side effect.
12. Ketorolac (Toradol)
- Form: Tablet, capsule (also available as an injection for hospital use).
- Availability: Prescription only; used for short-term pain management, often in hospitals.
- Use: Severe pain, post-surgery.
- Effects on Health:
- Liver: Rarely causes liver damage.
- Kidneys: High risk of kidney damage, especially with prolonged use.
- Stomach: High risk of gastrointestinal ulcers and bleeding; typically limited to short-term use (5 days max).
Summary of Organ Effects
- Liver: Acetaminophen-containing medications carry the highest risk of liver damage, particularly at high doses.
- Kidneys: NSAIDs like ibuprofen, naproxen, and diclofenac can lead to kidney damage with long-term use, especially in those with pre-existing conditions.
- Stomach: NSAIDs also have the highest risk of stomach ulcers, irritation, and bleeding. Opioids like oxycodone and morphine have fewer gastrointestinal effects but can cause constipation and nausea.