Rauwolfia (Sarpagandha (Indian Snakeroot))
Rauwolfia serpentina, also known as Sarpagandha, is a potent herb traditionally used in Ayurveda for its calming and antihypertensive properties. It contains alkaloids like reserpine, ajmaline, and ajmalicine, contributing to its therapeutic effects.
Botanical name: Rauwolfia serpentina. Also known as: Indian Snakeroot, Sarpagandha, Chandrika, Serpentine Root.
Properties
Depletion of catecholamines (reserpine), Vasodilation (ajmalicine), Antiarrhythmic properties (ajmaline)
Dosage
Dosage varies depending on the preparation and condition. For insomnia, 250 mg – 1 gram in divided doses per day. For hypertension, 250 mg – 2 grams in divided doses per day. For schizophrenia, 500 mg – 4 grams in divided doses per day. Root powder: 250–500 mg once or twice daily. Standardized extract capsules: 0.1–0.25 mg reserpine equivalent, 1 capsule nightly under supervision. Decoction (Kashaya): 20–30 ml dose twice daily. [1, 2, 5, 30, 32]
Classical attributes
- Rasa: Bitter, Pungent
- Virya: ["Ushna (Heating)"]
- Vipaka: ["Katu (Pungent)"]
Benefits
- Hridaya (Cardiac tonic)
- Shoolahara (Analgesic)
- Nidrakara (Sedative)
- Raktapitta hara (Balances bleeding disorders)
Traditional uses
- Hypertension
- Anxiety
- Insomnia
- Epilepsy
- Mental Agitation
Dosha effects
- vata: balancing
- kapha: decreasing
- pitta: balancing
Preparation methods
- Root Powder (Churna): The dried roots are powdered. Dosage: 250 mg – 2 grams per day, often divided. [1, 2, 5]
- Decoction (Kashaya): Boil the root in water until reduced. Dosage: 20-30 ml twice daily. [2]
- Paste: Roots are ground into a paste, often mixed with other ingredients like rose water or ghee for specific applications. [1, 14]
- Standardized Extract: Capsules containing a specific amount of reserpine equivalent. Dosage: 0.1–0.25 mg reserpine equivalent, 1 capsule nightly under supervision. [2]
Contraindications
- Bronchial asthma
- Duodenal ulcer
- Hyperacidity
- Renal disorders
- Pregnancy and lactation (stimulates uterus)
- Depression
- Severe cardiac conduction defects
- Gastritis (should not be used alone)
- Parkinsonism
- Inflammatory Bowel Disease (ulcerative colitis and Crohn's disease)
- Bradycardia (slow heartbeat)
- Allergic reactions such as asthma
- Lesions of the duodenum
- Inflammatory lesions of the rectum
- Gallstones
- Children (generally not ideal without strict supervision)
Side effects
- Hypotension (low blood pressure)
- Dizziness
- Sedation and lethargy
- Depression (can lead to suicidal thoughts in vulnerable individuals)
- Nasal congestion
- Gastrointestinal upset (nausea, diarrhea, vomiting, abdominal cramps)
- Loss of appetite
- Swelling in feet and lower legs
- Bradycardia (slow heart rate)
- Dry mouth
- Tremors
- Nightmares
- Edema
- Sexual debility
Interactions
- Antidepressants (MAOIs, SSRIs)
- Beta-blockers
- ACE inhibitors
- Antiplatelet drugs
- Digoxin
- Levodopa
- Other medications for high blood pressure (potential for excessive blood pressure lowering)
- Central nervous system depressants
Clinical evidence
Clinical trials demonstrate Rauwolfia serpentina's efficacy in managing hypertension, anxiety-related hypertension, and general anxiety. Studies show improvements in blood pressure and anxiety scores with standardized extracts.
Ayurvedic karmas
- Hridaya (Cardiac tonic)
- Shoolahara (Analgesic)
- Nidrakara (Sedative)
- Raktapitta hara (Balances bleeding disorders)
Classical clinical indications
- Hypertension
- Anxiety
- Insomnia
- Epilepsy
- Mental Agitation
Frequently asked questions
What is Rauwolfia?
Rauwolfia serpentina, also known as Sarpagandha, is a potent herb traditionally used in Ayurveda for its calming and antihypertensive properties. It contains alkaloids like reserpine, ajmaline, and ajmalicine, contributing to its therapeutic effects.
What are the benefits of Rauwolfia?
Hridaya (Cardiac tonic). Shoolahara (Analgesic). Nidrakara (Sedative)
How is Rauwolfia used in Ayurveda?
Root Powder (Churna): The dried roots are powdered. Dosage: 250 mg – 2 grams per day, often divided. [1, 2, 5]