Anthrax is caused by the spore-forming bacterium Bacillus anthracis.
Anthrax is a rare but serious illness caused by spore-forming bacteria. It mainly affects livestock and wild game.
Is it Contagious? generally, NO. You cannot catch Anthrax from another person like a cold or flu. You catch it by coming into direct contact with spores (touching, inhaling, or eating them).
Types & Symptoms
Symptoms depend entirely on how the bacteria enter your body. There are four main routes:
1. Cutaneous Anthrax (Skin)
Most Common & Most Treatable. It enters through a cut or scrape.
- Starts as a raised, itchy bump (like an insect bite).
- Quickly turns into a painless sore with a black center (eschar).
- Swelling in nearby lymph glands.
2. Inhalation Anthrax (Lungs)
Most Deadly. It occurs when you breathe in spores (e.g., in industrial processing of wool or hides). It is often fatal even with treatment.
- Flu-like symptoms (sore throat, mild fever, fatigue) lasting a few hours or days.
- Followed by acute respiratory distress (shortness of breath, coughing up blood).
- Shock and meningitis (brain inflammation).
3. Gastrointestinal Anthrax
Caused by eating undercooked meat from an infected animal.
- Nausea, vomiting, and loss of appetite.
- Severe, bloody diarrhea in later stages.
- Swollen neck ("Bull Neck") and difficulty swallowing.
4. Injection Anthrax
A newer form found in heroin users (mostly in Europe).
- Redness and significant swelling at the injection site.
- It can lead to rapid shock and organ failure.
Causes & Risk Factors
Anthrax spores live naturally in the soil and can remain dormant for years. You are at risk if you:
- Work with Livestock: Handling animal skins, furs, or wool (especially from developing countries).
- Laboratory Work: Handling Anthrax in a research setting.
- Military Deployment: To areas where Anthrax is a known biological threat.
- Drug Use: Injecting illegal drugs like heroin.
Complications
The most serious complication is Hemorrhagic Meningitis—massive bleeding and inflammation of the fluid covering the brain and spinal cord. This leads to rapid death.
Diagnosis
Doctors must rule out the flu first. Specific tests include:
- Skin Biopsy: Taking a sample from the skin sore to look for bacteria under a microscope.
- Blood Tests: Checking for antibodies or bacteria in the blood.
- Chest X-Ray/CT Scan: Essential for diagnosing inhalation anthrax (shows widened mediastinum).
Treatment
Treatment must start ASAP. The standard protocol involves a 60-day course of antibiotics.
1. Antibiotics
- Ciprofloxacin (Cipro)
- Doxycycline
Note: These kill the bacteria, but they do not eliminate the toxins the bacteria have already released into your body.
2. Antitoxins
Newer therapies developed after the 2001 attacks focus on neutralizing the lethal toxins released by the Anthrax bacteria, rather than just killing the bacteria itself.
Prevention
Since home remedies do not exist for Anthrax, prevention is the only defense:
- Vaccine: Available for military personnel and high-risk lab workers (not the general public).
- Avoid Raw Meat: Thoroughly cook all meat.
- Handle Hides Carefully: Use protective gear when handling animal skins in endemic areas.

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