Consider this: Approximately 92% of the top prescribed medicines come from plants or fungi.1 A huge amount of medications are plant-based, and there are numerous medicinal plants whose benefits we haven’t even studied yet.
Learning about medicinal plants can decrease your dependency on the pharmaceutical industry, improve self-reliance, and possibly save your life in situations where traditional medicines aren’t available.
There are too many medicinal plants to talk about them all here. If you are interested in learning natural medicine, Rosemary Gladstar’s Medicinal Herbs book (Amazon Link) is a great place to begin.
In this post, I want to focus on a specific subset of medicinal plants: natural antiseptic plants. These are the plants that can be used as a “natural Neosporin” for treating wounds and preventing infection.
An infection might not seem like a big deal, but it can lead to deadly sepsis.
When Small Wounds Become Deadly
Before we get into the top natural antibacterial plants, it is essential to understand why antibacterial salves are important, especially in backcountry or survival situations.
When you get wounded, the body reacts by releasing white blood cells into the area. They cause the wounded area to become inflamed and form blood clots with platelets, so the wound is sealed off from the rest of the body.
Minor wounds usually tend to heal on their own. However, this largely depends on whether you can keep the wound clean. If it gets dirty, infection inevitably occurs (as you’ve probably seen when an injury starts to ooze puss).
If the infection isn’t treated quickly, the body can’t contain it. The inflamed blood vessels leak, releasing infection-fighting chemicals into the blood.
The result is sepsis, an inflammatory condition in which the body essentially attacks itself.
Dangers of Sepsis
The inflammation that occurs during sepsis prevents blood from flowing throughout the body. The blood pressure drop can become so drastic that it prevents nutrients from getting to organs. Without prompt intervention, organ failure can occur.
Septic shock occurs quickly and can be fatal. This is why it is important to treat wounds – even minor wounds – with antiseptic ointments and keep them clean.
Symptoms of Sepsis
- High body temperature
- Rapid heartbeat
- Shortness of breath
- Extreme pain
- Pale skin
Risk of Sepsis
In unsanitary conditions – such as in the backcountry or after a natural disaster like flooding – wounds are easily exposed to many harmful pathogens.
After virtually every natural disaster, we inevitably see an increase in skin infections and sepsis. After the 2017 flooding of Houston, for example, there was a surge in skin infections. Some of these developed into life-threatening sepsis.
Luckily, no one died from sepsis in the aftermath of the Houston flooding. Most cases of skin infections were easily treated with antibiotics at the hospital.
We might not always have access to antibiotics or medicines in the aftermath of a disaster, though, which is why it is so important to know how to treat wounds and make your natural remedies from plants.2, 3, 4
How to Treat Wounds
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In a disaster situation, you could improvise dressing or quickly make an antibiotic salve – but it is better to be prepared than have to start gathering wild medicinal plants while your loved one is bleeding!
You can read more details about how to treat wounds when medical help isn’t available in this post. Here are the basic steps:
- Clean Hands – You must be wearing nitrate gloves or have thoroughly cleaned your hands. You don’t want bacteria from your hands getting into the wound.
- Control Bleeding – Apply pressure to the wound until blood flow stops. Only once bleeding has stopped should you proceed. It helps to know the difference between venous and arterial bleeding for this step.
- Clean the Wound – You’ll need tools like tweezers, q-tips, sterile cotton balls, and a syringe with sterile water to clean the wound. In backcountry situations where these aren’t available, pour significant amounts of sterile (boiled) water over the wound to clean it.
- Apply antibiotic ointment – Now is time to utilize those natural antiseptic plants. The ointment also prevents gauze from sticking to the wound. This is important, or otherwise, you’ll rip off all the newly-formed skin cells each time you change the gauze.
- Cover with gauze/sterile dressing –For treating burns, you can use cling wrap instead of gauze.
- Change dressings regularly – Dressings need to be changed approximately twice per day. When changing the dressing, monitor the wound for any signs of infection.
Top Herbs And Plants For Treating Wounds
Because there are so many medicinal plants that have natural antiseptic properties, here we will focus on plants and herbs, which are:
- Found in North America
- Effective for natural wound healing
- Backed by scientific evidence
Goldenseal (Hydrastis Canadensis)
Goldenseal is a well-known natural antibacterial. The main active compound is berberine. It has been tested against antibiotics like penicillin and is a suitable natural alternative. Goldenseal also has numerous other benefits, such as fighting diabetes and tumors.
The plant is usually sold as an oral formation, but you can also use it topically to treat wounds, pink eye, canker sores, and vaginal infections. Please note that Goldenseal has endangered status – you aren’t supposed to pick it on public lands without a permit!
Maybe consider planting some in your medicinal garden.
- Where Found: Northeastern USA.
- How to Use for Wound Treatment: The most potent part of the plant is the roots. Cut these up, dry, and use for making tinctures or oil infusions. 5, 6
Alder (Betulaceae Alnus)
Alder is a nut-bearing shrub. Its bark contains the natural anti-inflammatory agent salicin. The Native Americans commonly used it for treating poison oak, poison ivy, and other itchy skin conditions.
The tannins in alder are potent natural antibacterial agents. The plant is also rich in antioxidant phenols and flavonoids. It is great not just for treating wounds but also as a natural pain reliever.
- Where Found: Widely found throughout North America, Europe, and Asia
- How to Use: Collect the twigs, bark, or leaves of the alder plant. These can be steeped into an oil infusion, cooked into a resin, or made into a tincture.7
Coniferous Tree Sap (Spruce, Pine, Fir, etc.)
Coniferous trees release a sticky sap when their bark is damaged. The sap contains various natural acids and lignans, which protect the tree from infection. These very same compounds can also protect humans from infections.
Resins have long been used for treating wounds naturally. They have also been highly studied and found to be effective with a very low incidence of allergic reaction.
- Where Found: Northern hemisphere and mountainous regions of the south
- How to Collect Tree Resin: You’ll need to make a V-shaped notch on the tree trunk. You’ll put a collection device below the point of the V to catch the sap. Read more about how to tap trees.
- How to Use for Wound Treatment: Traditionally, the tree resin is heated and mixed with unsalted butter to make a salve. You can also mix it with another type of oil, such as olive oil or coconut oil. You shouldn’t apply resin directly to a wound, though it is too sticky and will make changing bandages very difficult. 8, 9
Wild Comfrey (Cynoglossum virginianum)
The type of comfrey native to North America is known as “wild comfrey.” It’s easy to confuse wild comfrey with its cousin Common comfrey (Symphytum officinale), especially since they are both great medicinal plants for healing wounds.
Wild comfrey is an antioxidant, natural pain reliever, and anti-inflammatory. Be careful not to confuse it with foxglove, as that plant could result in poisoning.
- Where Found: Mostly around Kentucky; can also be found in some deciduous forests
- How to Use for Wound Treatment: Harvest the roots and leaves to make a tincture or infused oil. When in a hurry, you can simply grind up leaves to make a poultice to apply to wounds. 10, 11, 12
Better known as marigold, this genus of plants includes many species, all of which are medicinal plants. It has been highly studied against various types of bacteria. Other studies have shown it effective against fungal infections as well.
One study looked specifically at wound healing. It found that calendula is antibacterial, anti-inflammatory, helps form new blood vessels, and aids in forming fibrous tissues.
- Where Found: Calendula is native to Europe and Eurasia, but it is commonly cultivated in gardens in North America.
- How to Use for Wound Treatment: The petals contain the most active ingredients. Studies have found much better results with the petals than other parts of the plant. 13
Plantain (Plantago major)
Plantain is an edible plant that can probably be found in your backyard right now.
Besides being nutritious (even if not very tasty), it contains the active compounds aucubin and allatonin. These compounds are responsible for plantain’s antimicrobial and anti-inflammatory properties.
Plantain is also suitable for ulcers, indigestion, heartburn, insect bites, diarrhea, and colds.
- Where Found: Plantain can be found throughout the world, including in cities. It is often considered a weed.
- How to Use for Treating Wounds: Collect just the leaves of the plants to make tinctures or salves. Choose older leaves for medicinal purposes. The younger leaves have fewer medicinal compounds but are more tender and better for eating.14
Wild Garlic (Allium)
For centuries, wild garlic has been used as a natural remedy for infections. Many (including my grandmother) will recommend swallowing entire garlic cloves to fight off colds and flu.
The scientific literature supports garlic’s role as a natural antibacterial medicinal plant. When a garlic bulb is cut, it releases a potent antimicrobial called allicin for preventing infections. Allicin is why garlic only starts to smell after you cut it.
- Where Found: Wild garlic is mostly found in the eastern part of the United States. The garlic you buy in the store also has medicinal properties.
- How to Use for Treating Wounds: It is best to make an infused oil salve or tincture out of garlic. However, you can also use fresh garlic for treating wounds. Grate up garlic and mix it with water to make a paste. Apply this paste to a sterile bandage. Apply a new paste each time you change the bandage. 15
Lavender is best known for its scent, but it is also a natural antibacterial. One study tested it against 31 strains of bacteria, yeasts, and molds and found it potent. The compounds linalool and ramarinic acid in lavender are likely responsible for the antibacterial benefits.
Another benefit of lavender is that it is easy to find throughout almost all of the United States. Lavender is a very hearty bush, and you can easily grow it in your garden – and enjoy its fragrance in addition to its medicinal benefits.
- Where Found: Lavender is native to the Mediterranean region. It is found throughout the USA.
- How to Use for Treating Wounds: Use the flowers and stalks to make an infused oil salve or tincture.16
Oregano (Origanum vulgare)
Oregano has gotten a lot of attention recently as a natural antibiotic. In one study that tested oregano oil against over a dozen different bacteria, oregano was found to possess a stronger antimicrobial activity than antibiotics.
Topically, oregano oil has been shown to reduce infection, help wounds heal and reduce the appearance of scars.
- Where Found: Oregano and its subspecies can be found throughout the world. It is easy to confuse with other plants, so smell the plant to identify correctly.
- How to Use for Treating Wounds: Use just the plant’s leaves to make an infused oil salve or tincture. 17, 18
Learn how to make oregano at home or buy online.
Yarrow (Achillea millefolium)
The name Achillea comes from Achilles, who was said to carry it with him to treat his soldiers’ wounds during the Trojan war. Indeed, there are many folk stories around yarrow, and it has been used a long time as a natural wound healer.
Yarrow is ideal for healing wounds naturally because it contains volatile oils which reduce inflammation and fight infection. Research has found it effective against various strains of staph bacteria. The salicyclic acid in yarrow can even help stop bleeding.
Test a small amount of yarrow on your skin before applying it to a wound. Though rare, some people have severe allergic reactions to yarrow.
Do not give yarrow to pets. It is toxic to dogs, cats, and horses.
- Where Found: Yarrow is found in North America, Europe, and Asia in temperate zones.
- How to Use for Treating Wounds: Harvest the leaves and flowering top of the plant for medicinal use. It is best to dry and then make it into an infused oil salve or tincture. However, you can also grind up fresh yarrow with water to make a paste and apply it directly to wounds. 19, 20
Chickweed (Stellaria media)
Considered a weed, chickweed is one of the most overlooked medicinal plants for healing wounds. It has strong anti-inflammatory properties and is excellent for treating skin conditions like eczema. As for wounds, chickweed’s antimicrobial properties make it ideal for cuts and burns. Studies have even found that chickweed is effective against hepatitis B, so don’t take this weed for granted.
- Where Found: Native to Europe, chickweed can be found throughout North America. Note that chickweed is very similar to plants in the Cerastium genus. True chickweed will have fine white hairs on the stems, which grow in a weave-like pattern. Cerastium has evenly-distributed hairs on the stems.
- How to Use for Treating Wounds: Usually the leaves, stalks and flowers of chickweed are used. The seeds and roots also have medicinal properties though. Make into an infused oil salve or tincture. 21
For those living in North to Central USA, the Peterson Field Guide to Medicinal Plants and Herbs of Eastern and Central America is a great choice.
Andrew Chevallier’s Encyclopedia of Medicinal Plants includes over 500 plants.
In addition to medicinal plants that you’ll be able to forage locally, there are also many remedies from foods found in your cupboards, like coffee and culinary spices. The photographic index is a nice touch.
For those who want to learn medicinal plants growing throughout the United States, read The Herb Society of America New Encyclopedia of Herbs and their Uses. It features over 1,000 herbs and 1,500+ photos.
Though a bit dated, The Herbal Medicine-Maker’s Handbook: A Home Manual is still one of the best guides on turning plants into medicine. It includes detailed instructions on how to make infusions, decoctions, distillations, essences, and tinctures. Available for Kindle as well.
Grow Your Own Drugs by James Wong is a good read for those who want to make DIY home remedies for everything from hay fever to razor burn. There are lots of great photos and recipes as well.