What a hernia actually is
The abdominal wall is a structure of several layers: skin, fat, fascia, muscle and peritoneum. A hernia is a hole in the strong layer, the fascia, through which abdominal contents push. That hole may have been there since birth, appear over the years at a naturally weak point, or form over the scar of a previous operation.
Put that way, the answer to the question in the title becomes obvious: no medication, exercise, diet or therapy closes a hole in a layer of connective tissue. Tissues heal when their edges are in contact; the edges of a hernia are separated and under pressure every time you cough, strain or lift something.
Why a truss not only fails to cure but sometimes gets in the way
Trusses, belts and hernia supports do one thing: they push the contents in and hold them there while worn. As soon as they come off, the lump returns. That can be useful as a temporary measure in a patient awaiting surgery or unable to have it, but it is not a treatment.
And it carries a little-known cost: prolonged use can encourage adhesions between the herniated contents and the sac, making later repair more laborious. In other words, the truss not only fails to resolve: in some cases it complicates what comes next.
What happens if you wait
Two things, and both worsen the picture. The first is that the hernia grows. The hole widens over time and with every exertion, and a large hernia is technically harder to repair, needs more mesh, produces more postoperative pain and carries a higher recurrence rate than a small one.
The second is the risk of incarceration: the contents becoming trapped and impossible to reduce. If the blood supply of the trapped loop is also compromised, there is strangulation, and that is a surgical emergency measured in hours. That is the scenario nobody wants: the same operation, but in the middle of the night, with compromised bowel and no preparation.
When waiting is reasonable
Watchful waiting exists, and it is not a dirty phrase. In small inguinal hernias, without symptoms, in patients at high surgical risk or with conditions that need controlling first, waiting and watching is a defensible decision.
But it is a decision made knowing what is being accepted: the hernia will not close, it will grow, and the red flags need to be known. And that decision should be revisited periodically, not adopted and forgotten for ten years.
The signs that turn a hernia into an emergency
Go to an emergency department immediately if: THE LUMP HAS TURNED HARD, HURTS BADLY AND CANNOT BE PUSHED BACK IN. If NAUSEA, VOMITING AND NO PASSAGE OF GAS OR STOOL appear alongside a painful hernia. If THE SKIN OVER THE LUMP REDDENS OR CHANGES COLOUR. Or if there is fever with any of the above.
Do not try to force back a lump that resists and hurts. And do not wait until the next morning to see if it improves: in strangulation, hours are exactly the variable that decides whether a segment of bowel has to be removed.
What does resolve the problem
Surgical repair, closing the defect and reinforcing the wall with a mesh that spreads the tension. It can be done openly or laparoscopically, and in many cases it is a day-surgery procedure, with return to light activity in one to two weeks.
What is in your hands to make it last: not smoking, keeping a healthy weight, treating constipation and chronic cough, and respecting the restriction on exertion after surgery even when you feel well. Those four points influence most whether the repair holds.
Bring your studies and settle the question
One consultation with your ultrasound or CT in hand is worth more than ten internet searches. Book by phone or through the form and you will be told what is there, what it means and what your options are.