Medical Astrology Quick Reference Guide

Quick Reference Guide to Medical Astrology

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[1st/Aries/Mars] -
The head, facial structure. Brain, blood vessels, muscles, and arteries - especially the heart.
Mars rules sharp objects - this can mean car accidents, cuts, surgeries, wounds. Mars also represents fevers, headaches, heart attacks, burns, sudden illnesses, tumors, brain disorders/issues. It controls male reproductive organs. Cysts related to the brain head and face.



[2nd House/Taurus/Venus] -
Teeth, throat, kidneys, neck area, female hormones/reproductive system, bladder, skin, sperm. She is related to sugar-related medical issues, Urinary issues, kidney stones, eye issues like cataracts and specifically the right eye. Diabetes, skin issues of all types including skin tone, anemia, reproductive issues. Check for Venus/Mars/Pluto aspects.


[3rd House/Gemini/Mercury] -
Mercury rules speech, intellect, and learning. The third house rules beginner education. Mercury is responsible for speech impediments, learning disabilities, respiratory problems and issues with the nervous system. The 3rd house & Mercury rule the lungs, hands, shoulders, breath, and blood. Nervous breakdowns, insomnia, memory loss, asthma, deafness, over internalization with thoughts. The 3rd house is related to all short-distance car accidents, falling on your bike type incidents, and things like choking at a restaurant as the 3rd house rules the neighborhood as well. These things are minor but apply this energy to a larger scale depending on which Planets are in it and which sign rules the house.


[4th House/Cancer/Moon] -
The Moon rules your subconscious mind, emotions, and comfort. Chest, breast, stomach, gastric and digestive system. The Moon represents your fertility, emotional health, lymph nodes, bodily fluids and the psyche of your mind. The Moon also rules the menstrual cycle. Insomnia, sleeping patterns. Depression. All fertility issues. Left eye in a male chart, the right eye of females chart. All health issues related to the cold - hypothermia, the sniffles, cold aching bones, blood pressure issues. The 4th house is responsible for all home-related injuries.


[5th House/Leo/Sun] -
Heart, mind, spinal cord. The digestive system in the sense of nourishment. All heart-related issues. The vitality of the body - how quickly you heal from wounds. It’s essentially the root of all health because it is related to the spinal cord. Fractures to bones, as in just small pieces, not full bone cracks/breaks.


[6th House/Virgo/Mercury] -
The 6th house is your overall health. Planets placed in this house are a direct clue to health issues, especially in transit. When Mercury is here, it can lead to variations of hypochondria, especially if aspected by Uranus. Those with Venus here will likely overeat, unless placed in an obsessive Mercurial sign, which can turn to strict diets and eating extremes or eating obsessions in worst case scenario. Having Neptune here can make it difficult for you to get an accurate diagnosis.


[7th House/Libra/Venus] -
Libra is associated with the skin, lower back, kidneys, sacral spine, lungs, endocrine system, nervous system and keeping things in balance. Venus, again, is associated with the female reproductive system.



[8th House/Scorpio/Pluto] -
These represent all of your sexual organs and drug-related health issues. Such as addictions, drunk driving accidents, liver failure, STD's, incurable diseases. Things like amputations, bacteria and parasite issues, and death sometimes literally. Darker psychology issues as well as the 12th house. All diseases long term or life-threatening/life-changing. [9th House/Sagittarius/Jupiter] - Jupiter medically rules all things in excess. This would include anything that would happen to you from overindulging - so, such as diabetes from eating poorly, smoking and lung failure, obesity and blood pressure issues. Digestion, jaundice, phlegm, and hearing capabilities. Hip problems, bowel disease, loss of blood, low iron.


[10th House/Capricorn/Saturn] -
Knees, joints, bone structure, teeth. Saturn represents chronic diseases, obstruction of anything such as blood, kidneys, and lungs. Slow degenerative diseases, cancer, paralysis, deformities, insanity, being senile, and numbness. Saturn will often be present in aspect or as the main contributing factor of long term transits that you would associate with illness. You will find a negatively aspected Saturn to Taurus Venus in cases where your teeth rot, or let a bone heal wrong causing to problems later in life. These are the illnesses that you overlook.



[11th House/Aquarius/Uranus] -
Uranus rules the unexpected. Associated with sudden illnesses, convulsions, seizures, heart palpitations, and electricity-related injuries. Things like toxic shock syndrome, STDs, viral illnesses, can be associated with Uranus. Aquarius is associated with the lower leg, calves, blood circulation*,



[12th House/Pisces/Neptune] -
Mostly mental health. Issues like sleeping disorders, vivid dreams, psychosis, drug addiction, sleep paralysis, sleep apnea. All mental health diagnosis can fall under this house. However, just because there is a planet in the 12th house house doesn’t mean that you will be mentally ill, and vice versa, mentally ill people can have a totally empty 12th house.
Transits to this house can cause periods of isolation, imprisonment, self reflecting or periods of mental instability or mental breakthroughs.


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August 2025 Transits

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Saturn in Aquarius Transit [2020-2023]